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Institute
- Extern (51)
- Fachgruppe Politik- & Verwaltungswissenschaft (36)
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Article 22 1951 Convention
(2024)
This chapter covers the 1951 Convention's Article 22. It explains the provision's aim to grant refugees access to the contracting States' national educational systems. Moreover, Article 22 encompasses learning at all different levels of education in schools, universities, and other educational institutions. However, the provision does not address any issues related to the upbringing of children by their parents. The chapter mentions the relevancy of Article 22 when it comes to durable solutions for refugees in an effort to enable them to integrate into the host country's society. It also discusses the drafting history, declarations, and reservations of Article 22 and the instruments used prior to the 1951 Convention.
Article 1 E 1951 Convention
(2024)
This chapter elaborates on the function of Article 1 E of the 1951 Convention, which was originally aimed at German refugees. It refers to a special group of people who qualify for refugee status but enjoy the rights of national citizens despite their lack of formal citizenship. The article's object and purpose revolve around excluding persons from refugee protection who do not need any international protection since they have the status of national citizens. Additionally, access to refugee status is excluded ipso facto because the individual may resort to effective protection similar to that of citizenship upon being admitted to the country of sojourn. The chapter explains how Article 1 E is an integral part of the balanced system of international refugee protection prescribed by the Convention.
This chapter focuses on the features of Article 1's paragraph 1 of the 1951 Convention. The article primarily determines the scope of application of the Convention's ratione personae while outlining the basis of the protection of refugees. Additionally, Article 1 addresses the concerns surrounding the inclusion, cessation, and exclusion of refugees. The chapter then tackles the historical development of the article by considering the instruments used prior to the 1951 Convention. It also cites that the Constitution of the International Refugee Organization appears to contain an ambiguity as to how the refugee notion was perceived, so refugees only became the IRO Constitution's concern when they have valid objections to returning to their home country.
Without fear or favour
(2024)
The Convention Relating to the Status of Refugees adopted on 28 July 1951 in Geneva provides the most comprehensive codification of the rights of refugees yet attempted. Consolidating previous international instruments relating to refugees, the 1951 Convention with its 1967 Protocol marks a cornerstone in the development of international refugee law. At present, there are 144 States Parties to one or both of these instruments, expressing a worldwide consensus on the definition of the term refugee and the fundamental rights to be granted to refugees. These facts demonstrate and underline the extraordinary significance of these instruments as the indispensable legal basis of international refugee law. This Commentary provides for a systematic and comprehensive analysis of the 1951 Convention and the 1967 Protocol on an article-by-article basis, exposing the interrelationship between the different articles and discussing the latest developments in international refugee law. In addition, several thematic contributions analyse questions of international refugee law which are of general significance, such as regional developments and the relationship between refugee law and the law of the sea.
In this paper, we present data from an elicitation study and a corpus study that support the observation that the Yucatec Maya progressive aspect auxiliary táan is replaced by the habitual auxiliary k in sentences with contrastively focused fronted objects. Focus has been extensively studied in Yucatec, yet the incompatibility of object fronting and progressive aspect in Yucatec Maya remains understudied. Both our experimental results and our corpus study point in the direction that this incompatibility may very well be categorical. Theoretically, we take a progressive reading to be derived from an imperfectivity operator in combination with a singular operator, and we propose that this singular operator implicates the negation of event plurality, leading to an exhaustive interpretation which ranks below corrective focus on a contrastive focus scale. This means that, in a sentence with object focus fronting, the use of the marked auxiliary táan (as opposed to the more general k) would trigger two contrastive foci, which would be an unlikely and probably dispreferred speech act.
Dass vielfältige Inhalte und Meinungen über eine Vielzahl an Medien verbreitet werden, ist für unsere demokratische Gesellschaft heute wichtiger denn je. Gerade deshalb ist es unabdingbar, Meinungsmacht einzelner Medienunternehmen zu verhindern und dadurch zur Meinungsvielfalt beizutragen. Diese bedeutende Aufgabe kommt der Medienkonzentrationskontrolle des Medienstaatsvertrages zu. Doch haben die digitalisierungsbedingten Veränderungen in der Medienlandschaft zu einem inkonsistenten Prüfungsregime der Medienkonzentrationskontrolle geführt, da medienrechtlich aktuell nicht alle für die Meinungsbildung relevanten Medienakteure ausreichend erfasst werden. Die Arbeit untersucht die Thematik im Kontext der nationalen sowie internationalen medien- und wettbewerbsrechtlichen Rahmenbedingungen. Basierend auf den dabei gewonnenen Erkenntnissen wird ein den aktuellen Erfordernissen entsprechender normativer Vorschlag unterbreitet.
Background
Many high-income countries are grappling with severe labour shortages in the healthcare sector. Refugees and recent migrants present a potential pool for staff recruitment due to their higher unemployment rates, younger age, and lower average educational attainment compared to the host society's labour force. Despite this, refugees and recent migrants, often possessing limited language skills in the destination country, are frequently excluded from traditional recruitment campaigns conducted solely in the host country’s language. Even those with intermediate language skills may feel excluded, as destination-country language advertisements are perceived as targeting only native speakers. This study experimentally assesses the effectiveness of a recruitment campaign for nursing positions in a German care facility, specifically targeting Arabic and Ukrainian speakers through Facebook advertisements.
Methods
We employ an experimental design (AB test) approximating a randomized controlled trial, utilizing Facebook as the delivery platform. We compare job advertisements for nursing positions in the native languages of Arabic and Ukrainian speakers (treatment) with the same advertisements displayed in German (control) for the same target group in the context of a real recruitment campaign for nursing jobs in Berlin, Germany. Our evaluation includes comparing link click rates, visits to the recruitment website, initiated applications, and completed applications, along with the unit cost of these indicators. We assess statistical significance in group differences using the Chi-squared test.
Results
We find that recruitment efforts in the origin language were 5.6 times (Arabic speakers) and 1.9 times (Ukrainian speakers) more effective in initiating nursing job applications compared to the standard model of German-only advertisements among recent migrants and refugees. Overall, targeting refugees and recent migrants was 2.4 (Ukrainians) and 10.8 (Arabic) times cheaper than targeting the reference group of German speakers indicating higher interest among these groups.
Conclusions
The results underscore the substantial benefits for employers in utilizing targeted recruitment via social media aimed at foreign-language communities within the country. This strategy, which is low-cost and low effort compared to recruiting abroad or investing in digitalization, has the potential for broad applicability in numerous high-income countries with sizable migrant communities. Increased employment rates among underemployed refugee and migrant communities, in turn, contribute to reducing poverty, social exclusion, public expenditure, and foster greater acceptance of newcomers within the receiving society.
Purpose
With shorter product cycles and a growing number of knowledge-intensive business processes, time consumption is a highly relevant target factor in measuring the performance of contemporary business processes. This research aims to extend prior research on the effects of knowledge transfer velocity at the individual level by considering the effect of complexity, stickiness, competencies, and further demographic factors on knowledge-intensive business processes at the conversion-specific levels.
Design/methodology/approach
We empirically assess the impact of situation-dependent knowledge transfer velocities on time consumption in teams and individuals. Further, we issue the demographic effect on this relationship. We study a sample of 178 experiments of project teams and individuals applying ordinary least squares (OLS) for regression analysis-based modeling.
Findings
The authors find that time consumed at knowledge transfers is negatively associated with the complexity of tasks. Moreover, competence among team members has a complementary effect on this relationship and stickiness retards knowledge transfers. Thus, while demographic factors urgently need to be considered for effective and speedy knowledge transfers, these influencing factors should be addressed on a conversion-specific basis so that some tasks are realized in teams best while others are not. Guidelines and interventions are derived to identify best task realization variants, so that process performance is improved by a new kind of process improvement method.
Research limitations/implications
This study establishes empirically the importance of conversion-specific influence factors and demographic factors as drivers of high knowledge transfer velocities in teams and among individuals. The contribution connects the field of knowledge management to important streams in the wider business literature: process improvement, management of knowledge resources, design of information systems, etc. Whereas the model is highly bound to the experiment tasks, it has high explanatory power and high generalizability to other contexts.
Practical implications
Team managers should take care to allow the optimal knowledge transfer situation within the team. This is particularly important when knowledge sharing is central, e.g. in product development and consulting processes. If this is not possible, interventions should be applied to the individual knowledge transfer situation to improve knowledge transfers among team members.
Social implications
Faster and more effective knowledge transfers improve the performance of both commercial and non-commercial organizations. As nowadays, the individual is faced with time pressure to finalize tasks, the deliberated increase of knowledge transfer velocity is a core capability to realize this goal. Quantitative knowledge transfer models result in more reliable predictions about the duration of knowledge transfers. These allow the target-oriented modification of knowledge transfer situations so that processes speed up, private firms are more competitive and public services are faster to citizens.
Originality/value
Time consumption is an increasingly relevant factor in contemporary business but so far not been explored in experiments at all. This study extends current knowledge by considering quantitative effects on knowledge velocity and improved knowledge transfers.
Schutzloser Fussball-Ultra
(2024)
Existing curricula for entrepreneurship education do not necessarily represent the best way of teaching. How could entrepreneurship curricula be improved? To answer this question, we aim to identify and rank desirable teaching objectives, teaching contents, teaching methods, and assessment methods for higher entrepreneurship education. To this end, we employ an international real-time Delphi study with an expert panel consisting of entrepreneurship education instructors and researchers. The study reveals 17 favorable objectives, 17 items of content, 25 teaching methods, and 15 assessment methods, which are ranked according to their desirability and the group consensus. We contribute to entrepreneurship curriculum research by adding a normative perspective.
Dieser Beitrag vergleicht die kommunale Verwaltungsdigitalisierung in Deutschland, Österreich und der Schweiz (DACH-Länder) als Vertreter der kontinentaleuropäisch-föderalen Verwaltungstradition bei zugleich unterschiedlichen Digitalisierungsansätzen und -fortschritten. Basierend auf Interviews mit 22 Expert*innen und Beobachtungen in je einer Kommune pro Land sowie Dokumenten-, Literatur- und Sekundärdatenanalysen untersucht die Studie, wie Verwaltungsdigitalisierung im Mehrebenensystem organisiert ist und welche Rolle dabei das Verwaltungsprofil spielt sowie welche Innovationsschwerpunkte die Kommunen im Hinblick auf die Leistungserbringung und die internen Prozesse setzen. Die Ergebnisse zeigen, dass der hohe Grad lokaler Autonomie den Kommunen ermöglicht, eigene Akzente in der Verwaltungsdigitalisierung zu setzen. Zugleich wirken die stark verflochtenen komplexen Entscheidungsstrukturen und hohen Koordinationsbedarfe in verwaltungsföderalen Systemen, die in Deutschland am stärksten, in Österreich etwas schwächer und in der Schweiz am geringsten ausgeprägt sind, als Digitalisierungshemmnisse. Ferner weisen die Befunde auf eine unitarisierende Wirkung der Verwaltungsdigitalisierung als Reformbereich hin. Insgesamt trägt die Studie zu einem besseren Verständnis dafür bei, welche Problematik die Verwaltungsdigitalisierung für föderal-dezentrale Verwaltungsmodelle mit sich bringt.
‘Modern talking’
(2024)
Despite growing interest, we lack a clear understanding of how the arguably ambiguous phenomenon of agile is perceived in government practice. This study aims to alleviate this puzzle by investigating how managers and employees in German public sector organisations make sense of agile as a spreading management fashion in the form of narratives. This is important because narratives function as innovation carriers that ultimately influence the manifestations of the concept in organisations. Based on a multi-case study of 31 interviews and 24 responses to a qualitative online survey conducted in 2021 and 2022, we provide insights into what public sector managers, employees and consultants understand (and, more importantly, do not understand) as agile and how they weave it into their existing reality of bureaucratic organisations. We uncover three meta-narratives of agile government, which we label ‘renew’, ‘complement’ and ‘integrate’. In particular, the meta-narratives differ in their positioning of how agile interacts with the characteristics of bureaucratic organisations. Importantly, we also show that agile as a management fad serves as a projection surface for what actors want from a modern and digital organisation. Thus, the vocabulary of agile government within the narratives is inherently linked to other diffusing phenomena such as new work or digitalisation.
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During the last decades, therapeutical proteins have risen to great significance in the pharmaceutical industry. As non-human proteins that are introduced into the human body cause a distinct immune system reaction that triggers their rapid clearance, most newly approved protein pharmaceuticals are shielded by modification with synthetic polymers to significantly improve their blood circulation time. All such clinically approved protein-polymer conjugates contain polyethylene glycol (PEG) and its conjugation is denoted as PEGylation. However, many patients develop anti-PEG antibodies which cause a rapid clearance of PEGylated molecules upon repeated administration. Therefore, the search for alternative polymers that can replace PEG in therapeutic applications has become important. In addition, although the blood circulation time is significantly prolonged, the therapeutic activity of some conjugates is decreased compared to the unmodified protein. The reason is that these conjugates are formed by the traditional conjugation method that addresses the protein's lysine side chains. As proteins have many solvent exposed lysines, this results in a somewhat uncontrolled attachment of polymer chains, leading to a mixture of regioisomers, with some of them eventually affecting the therapeutic performance.
This thesis investigates a novel method for ligating macromolecules in a site-specific manner, using enzymatic catalysis. Sortase A is used as the enzyme: It is a well-studied transpeptidase which is able to catalyze the intermolecular ligation of two peptides. This process is commonly referred to as sortase-mediated ligation (SML). SML constitutes an equilibrium reaction, which limits product yield. Two previously reported methods to overcome this major limitation were tested with polymers without using an excessive amount of one reactant.
Specific C- or N-terminal peptide sequences (recognition sequence and nucleophile) as part of the protein are required for SML. The complementary peptide was located at the polymer chain end. Grafting-to was used to avoid damaging the protein during polymerization. To be able to investigate all possible combinations (protein-recognition sequence and nucleophile-protein as well as polymer-recognition sequence and nucleophile-polymer) all necessary building blocks were synthesized. Polymerization via reversible deactivation radical polymerization (RDRP) was used to achieve a narrow molecular weight distribution of the polymers, which is required for therapeutic use.
The synthesis of the polymeric building blocks was started by synthesizing the peptide via automated solid-phase peptide synthesis (SPPS) to avoid post-polymerization attachment and to enable easy adaptation of changes in the peptide sequence. To account for the different functionalities (free N- or C-terminus) required for SML, different linker molecules between resin and peptide were used.
To facilitate purification, the chain transfer agent (CTA) for reversible addition-fragmentation chain-transfer (RAFT) polymerization was coupled to the resin-immobilized recognition sequence peptide. The acrylamide and acrylate-based monomers used in this thesis were chosen for their potential to replace PEG.
Following that, surface-initiated (SI) ATRP and RAFT polymerization were attempted, but failed. As a result, the newly developed method of xanthate-supported photo-iniferter (XPI) RAFT polymerization in solution was used successfully to obtain a library of various peptide-polymer conjugates with different chain lengths and narrow molar mass distributions.
After peptide side chain deprotection, these constructs were used first to ligate two polymers via SML, which was successful but revealed a limit in polymer chain length (max. 100 repeat units). When utilizing equimolar amounts of reactants, the use of Ni2+ ions in combination with a histidine after the recognition sequence to remove the cleaved peptide from the equilibrium maximized product formation with conversions of up to 70 %.
Finally, a model protein and a nanobody with promising properties for therapeutical use were biotechnologically modified to contain the peptide sequences required for SML. Using the model protein for C- or N-terminal SML with various polymers did not result in protein-polymer conjugates. The reason is most likely the lack of accessibility of the protein termini to the enzyme. Using the nanobody for C-terminal SML, on the other hand, was successful. However, a similar polymer chain length limit was observed as in polymer-polymer SML. Furthermore, in case of the synthesis of protein-polymer conjugates, it was more effective to shift the SML equilibrium by using an excess of polymer than by employing the Ni2+ ion strategy.
Overall, the experimental data from this work provides a good foundation for future research in this promising field; however, more research is required to fully understand the potential and limitations of using SML for protein-polymer synthesis. In future, the method explored in this dissertation could prove to be a very versatile pathway to obtain therapeutic protein-polymer conjugates that exhibit high activities and long blood circulation times.
Verträge über nicht-personenbezogene Daten werden seit dem Data Act immer wichtiger. Gleichwohl ist deren rechtliche Qualifikation immer noch nicht abschließend geklärt. Auch wenn klar ist, dass Daten in aller Regel keinem geistigen Eigentumsrecht unterliegen, nur in seltenen Fällen Know-how sind und an ihnen kein Sacheigentum bestehen kann, benötigen die Verträge eine hinreichende rechtliche Grundlage ihres Gegenstands. Der Beitrag plädiert für eine geringfügige Anpassung, jedenfalls in der Technologiegruppenfreistellungsverordnung.
This article analyses incremental institutional change and subsequent organizational and performance outcomes of the digital transformation from a comparative perspective. Through 31 expert interviews, the authors compare two digitalized public services in Germany. Two digitalization approaches are identified. The voluntary, decentralized bottom-up approach involves layering of new rules, limited organizational restructuring, and performance deficits. Conversely, the compulsory, top-down approach with centralized control facilitates displacement of existing rules and far-reaching organizational change; in this study, it is also associated with improved performance.
Zuerst erschienen in:
Alexander von Humboldt-Stiftung. Mitteilungen, 5. Jg., Heft 38, Oktober 1980, S. 27–36.
Off-road adventures
(2024)
This article focuses on the visual qualities of Alexander von Humboldt’s statistical tables in his Political Essay on the Kingdom of New Spain (1808–1811, 2nd ed. 1825–1827) with special attention to how such composites of numbers, alphabetical script, and semiotic elements relate to narrative writing. I argue that Humboldt’s tables/tableaus open up spaces inside his narrative that fragment the reading process, inviting new conversations, connections, and ideas.
Die deutsch-kubanische Forschungs- und Digitalisierungsinitiative „Proyecto Humboldt Digital“ (ProHD) hat während ihrer Projektlaufzeit (2019–2023) wichtige Quellen zum Thema „Humboldt und Kuba“ erstmals digital erschlossen. Als Kooperation zwischen der Berlin-Brandenburgischen Akademie der Wissenschaften und der Oficina del Historiador de la Ciudad de La Habana hat ProHD damit wichtige Akzente für die Archivdigitalisierung, die digitale Editionsphilologie und die digitale Wissenschaftskommunikation in Kuba gesetzt. Das Korpus der erschlossenen Bestände wird hier in fünf Schlaglichtern vorgestellt: 1) Quellen zur Humboldt’schen Forschungsreise, 2) Juan Luis de la Cuesta, 3) Materialien zu Kuba aus dem Humboldt-Nachlass, 4) Zensur und Beschlagnahme des Essai politique sur l’île de Cuba, 5) Francisco de Arango y Parreño.
La traduction en langue chinoise du premier volume du monumental ouvrage scientifique d'Alexander von Humboldt, intitulé «Cosmos», a vu le jour en 2023 sous l՚égide de la prestigieuse maison d՚édition de l՚Université de Pékin. Dans sa postface éclairée, la traductrice émérite, Gao Hong, éclaire la lanterne des lecteurs chinois sur la fresque cosmique esquissée par Humboldt, révélant ainsi les intrications entre les phénomènes naturels et leur pertinence à l՚échelle de l'univers tout entier. Gao Hong narre son propre périple aux côtés de Humboldt, tout en distillant ses réflexions personnelles sur cette fresque cosmique. «Cosmos» d՚Humboldt, œuvre scientifique par excellence, transcende également les sphères esthétiques et artistiques, exprimant invariablement une profonde vénération pour l՚univers. Restituer en chinois la «beauté géométrique» de la langue allemande, empreinte d՚une rigueur structurelle, constitue un défi singulier, le chinois se caractérisant par sa fluidité, sa souplesse et sa poésie imagée, en totale antithèse avec l՚allemand. En qualité de traducteur, il importe de naviguer librement entre ces deux mondes linguistiques distincts.
In dem Aufsatz wird ein Brief erstmalig veröffentlicht, in dem Alexander von Humboldt im Jahr 1849 bei einem Minister der liberalen Regierung von Kurhessen die Verdienste eines an der Universität in Marburg lehrenden jungen Professors hervorhob. Die Rede ist hier von dem später durch bahnbrechende Entdeckungen berühmten Physiologen Carl Ludwig. Vermittelt wurde das Schreiben durch den Humboldt nahestehenden Mediziner und Physiologen Emil du Bois-Reymond. Der Empfehlungsbrief, mit dem Humboldt versuchte, Ludwigs finanzielle Situation zu verbessern, ist ein Beispiel für die Förderung junger Forscher wie auch freier wissenschaftlicher Institutionen durch Humboldt.
The dark side of metaverse: a multi-perspective of deviant behaviors from PLS-SEM and fsQCA findings
(2024)
The metaverse has created a huge buzz of interest because such a phenomenon is emerging. The behavioral aspect of the metaverse includes user engagement and deviant behaviors in the metaverse. Such technology has brought various dangers to individuals and society. There are growing cases reported of sexual abuse, racism, harassment, hate speech, and bullying because of online disinhibition make us feel more relaxed. This study responded to the literature call by investigating the effect of technical and social features through mediating roles of security and privacy on deviant behaviors in the metaverse. The data collected from virtual network users reached 1121 respondents. Partial Least Squares based structural equation modeling (PLS-SEM) and fuzzy set Qualitative Comparative Analysis (fsQCA) were used. PLS-SEM results revealed that social features such as user-to-user interaction, homophily, social ties, and social identity, and technical design such as immersive experience and invisibility significantly affect users’ deviant behavior in the metaverse. The fsQCA results provided insights into the multiple causal solutions and configurations. This study is exceptional because it provided decisive results by understanding the deviant behavior of users based on the symmetrical and asymmetrical approach to virtual networks.
Purpose
The purpose of this study was to investigate work-related adaptive performance from a longitudinal process perspective. This paper clustered specific behavioral patterns following the introduction of a change and related them to retentivity as an individual cognitive ability. In addition, this paper investigated whether the occurrence of adaptation errors varied depending on the type of change content.
Design/methodology/approach
Data from 35 participants collected in the simulated manufacturing environment of a Research and Application Center Industry 4.0 (RACI) were analyzed. The participants were required to learn and train a manufacturing process in the RACI and through an online training program. At a second measurement point in the RACI, specific manufacturing steps were subject to change and participants had to adapt their task execution. Adaptive performance was evaluated by counting the adaptation errors.
Findings
The participants showed one of the following behavioral patterns: (1) no adaptation errors, (2) few adaptation errors, (3) repeated adaptation errors regarding the same actions, or (4) many adaptation errors distributed over many different actions. The latter ones had a very low retentivity compared to the other groups. Most of the adaptation errors were made when new actions were added to the manufacturing process.
Originality/value
Our study adds empirical research on adaptive performance and its underlying processes. It contributes to a detailed understanding of different behaviors in change situations and derives implications for organizational change management.
Der Föderalismus, dessen Wurzeln bis in das Mittelalter zurückreichen, gehört zu den Grundtatsachen der deutschen Geschichte. Dieses historische Erbe spiegelt sich in der heutigen deutschen Staatlichkeit wider, wie sie im Grundgesetz verankert ist und von Bund, Ländern und Kommunen mit Leben erfüllt wird. Renommierte Historiker, Politologen und Rechtswissenschaftler zeichnen in diesem Band die grundlegenden Entwicklungen der Föderalismusgeschichte in Deutschland seit der Gründung des deutschen Nationalstaats (1871) nach. Sie zeigen dabei die Kontinuitäten und Systembrüche deutscher Staatlichkeit auf – vom Kaiserreich über die Weimarer Republik und den NS-Staat bis hin zur Gegenwart in der Bundesrepublik Deutschland.
To achieve the Paris climate target, deep emissions reductions have to be complemented with carbon dioxide removal (CDR). However, a portfolio of CDR options is necessary to reduce risks and potential negative side effects. Despite a large theoretical potential, ocean-based CDR such as ocean alkalinity enhancement (OAE) has been omitted in climate change mitigation scenarios so far. In this study, we provide a techno-economic assessment of large-scale OAE using hydrated lime ('ocean liming'). We address key uncertainties that determine the overall cost of ocean liming (OL) such as the CO2 uptake efficiency per unit of material, distribution strategies avoiding carbonate precipitation which would compromise efficiency, and technology availability (e.g., solar calciners). We find that at economic costs of 130–295 $/tCO2 net-removed, ocean liming could be a competitive CDR option which could make a significant contribution towards the Paris climate target. As the techno-economic assessment identified no showstoppers, we argue for more research on ecosystem impacts, governance, monitoring, reporting, and verification, and technology development and assessment to determine whether ocean liming and other OAE should be considered as part of a broader CDR portfolio.
Wir nehmen eine vergleichende Untersuchung der Nominierten und Preisträger:innen von sieben Buchpreisen im deutschsprachigen Raum vor, die mit einer vorab veröffentlichten Long- und/oder Shortlist arbeiten. Dazu vergleichen wir die Preise in Bezug auf soziodemographische Faktoren der Autor:innen (Geschlecht, Alter und Muttersprache), deren Bekanntheit zum Zeitpunkt der Nominierung (Aufrufe auf Wikipedia), die Anzahl vorheriger Nominierungen der Autor:innen für den gleichen Buchpreis, die ›Qualität‹ der ausgezeichneten Bücher (Anzahl der Rezensionen des nominierten Buches, positive bzw. negative Beurteilung in Rezensionen sowie die Einigkeit der Rezensent:innen darüber), das Ansehen der Verlage und die Geschlechterzusammensetzung der Jurys. Der Analysezeitraum umfasst 15 Jahre. Unser Datensatz beinhaltet Informationen zu 428 Autor:innen mit insgesamt 627 zwischen den Jahren 2005 und 2020 nominierten Büchern und 2.469 Rezensionen zu diesen Büchern. Der Datensatz wurde mittels mehrerer Methoden (z. B. Web-Scraping, Hand-Kodierung, Expert:innenbewertungen) aus verschiedenen Quellen (z. B. Web-Daten, Bibliothekskataloge, Expert:innenbewertungen) zusammengestellt. Auf diese Weise können wir unter anderem zeigen, dass für alle untersuchten Preise überwiegend deutsche Muttersprachler:innen mit gut rezensierten Büchern aus renommierten Verlagen nominiert werden und die Preise gewinnen.
Personalmanagement und KWI
(2024)
Die Digitalisierung ist ein wesentlicher Bestandteil aktueller Verwaltungsreformen. Trotz der hohen Bedeutung und langjähriger Bemühungen bleibt die Bilanz der Verwaltungsdigitalisierung in Deutschland ambivalent. Diese Studie konzentriert sich auf drei erfolgreiche Digitalisierungsvorhaben aus dem Onlinezugangsgesetz (OZG) und analysiert mittels problemzentrierter Expertenbefragung Einflussfaktoren auf die Umsetzung von OZG-Vorhaben und den Einfluss des Managements in diesem Prozess. Die Analyse erfolgt theoriegeleitet basierend auf dem Ansatz der begrenzten Rationalität und der ökonomischen Theorie der Bürokratie. Die Ergebnisse zeigen, dass anzunehmen ist, dass die identifizierten Einflussfaktoren unterschiedlich auf Nachnutzbarkeit und Reifegrad von Verwaltungsleistungen wirken und als Folgen begrenzter Rationalität im menschlichen Problemlösungsprozess interpretiert werden können. Managerinnen unterstützen die operativen Akteure bei der Umsetzung, indem sie deren begrenzte Rationalität mit geeigneten Strategien adressieren. Dazu können sie Ressourcen bereitstellen, mit ihrer Expertise unterstützen, Informationen zugänglich machen, Entscheidungswege verändern sowie zur Konfliktlösung beitragen. Die Studie bietet wertvolle Einblicke in die tatsächliche Managementpraxis und leitet daraus Empfehlungen für die Umsetzung öffentlicher Digitalisierungsvorhaben sowie für die Steuerung öffentlicher Verwaltungen ab. Diese Studie liefert einen wichtigen Beitrag zum Verständnis des Einflusses des Managements in der Verwaltungsdigitalisierung. Die Studie unterstreicht außerdem die Notwendigkeit weiterer Forschung in diesem Bereich, um die Praktiken und Herausforderungen der Verwaltungsdigitalisierung besser zu verstehen und effektiv zu adressieren.
Die Dissertation untersucht die Entwicklung des Verantwortungseigentums insbesondere anhand der Carl-Zeiss-Stiftung unter Ernst Abbe.
Der Begriff des Verantwortungseigentums wird seit einigen Jahren in der rechtspolitischen Debatte zu alternativen Unternehmens- und Eigentumsformen diskutiert. Dabei wird die Einführung einer eigenen Gesellschaftsform gefordert.
Die Dissertation widmet sich diesen Forderungen und den Entwicklungen des Verantwortungseigentums anhand der Carl-Zeiss-Stiftung und ihrer Stiftungsbetriebe Zeiss und Schott.
Dort wurde bereits Ende des 19. Jahrhunderts eine Form dessen, was Jurist:innen heute unter Verantwortungseigentum verstehen, kautelar-juristisch eingeführt und geprägt.
Ziel und Zweck der Arbeit war es, die Überschneidungen, Parallelen und Unterschiede der Rechtssubjekte zu untersuchen und der Frage auf den Grund zu gehen, ob das Verantwortungseigentum einer längeren Rechtstradition folgt oder eine rein zeitgenössische Idee ist.
This thesis explores word order variability in verb-final languages. Verb-final languages have a reputation for a high amount of word order variability. However, that reputation amounts to an urban myth due to a lack of systematic investigation. This thesis provides such a systematic investigation by presenting original data from several verb-final languages with a focus on four Uralic ones: Estonian, Udmurt, Meadow Mari, and South Sámi. As with every urban myth, there is a kernel of truth in that many unrelated verb-final languages share a particular kind of word order variability, A-scrambling, in which the fronted elements do not receive a special information-structural role, such as topic or contrastive focus. That word order variability goes hand in hand with placing focussed phrases further to the right in the position directly in front of the verb. Variations on this pattern are exemplified by Uyghur, Standard Dargwa, Eastern Armenian, and three of the Uralic languages, Estonian, Udmurt, and Meadow Mari. So far for the kernel of truth, but the fourth Uralic language, South Sámi, is comparably rigid and does not feature this particular kind of word order variability. Further such comparably rigid, non-scrambling verb-final languages are Dutch, Afrikaans, Amharic, and Korean. In contrast to scrambling languages, non-scrambling languages feature obligatory subject movement, causing word order rigidity next to other typical EPP effects.
The EPP is a defining feature of South Sámi clause structure in general. South Sámi exhibits a one-of-a-kind alternation between SOV and SAuxOV order that is captured by the assumption of the EPP and obligatory movement of auxiliaries but not lexical verbs. Other languages that allow for SAuxOV order either lack an alternation because the auxiliary is obligatorily present (Macro-Sudan SAuxOVX languages), or feature an alternation between SVO and SAuxOV (Kru languages; V2 with underlying OV as a fringe case). In the SVO–SAuxOV languages, both auxiliaries and lexical verbs move. Hence, South Sámi shows that the textbook difference between the VO languages English and French, whether verb movement is restricted to auxiliaries, also extends to OV languages. SAuxOV languages are an outlier among OV languages in general but are united by the presence of the EPP.
Word order variability is not restricted to the preverbal field in verb-final languages, as most of them feature postverbal elements (PVE). PVE challenge the notion of verb-finality in a language. Strictly verb-final languages without any clause-internal PVE are rare. This thesis charts the first structural and descriptive typology of PVE. Verb-final languages vary in the categories they allow as PVE. Allowing for non-oblique PVE is a pivotal threshold: when non-oblique PVE are allowed, PVE can be used for information-structural effects. Many areally and genetically unrelated languages only allow for given PVE but differ in whether the PVE are contrastive. In those languages, verb-finality is not at stake since verb-medial orders are marked. In contrast, the Uralic languages Estonian and Udmurt allow for any PVE, including information focus. Verb-medial orders can be used in the same contexts as verb-final orders without semantic and pragmatic differences. As such, verb placement is subject to actual free variation. The underlying verb-finality of Estonian and Udmurt can only be inferred from a range of diagnostics indicating optional verb movement in both languages. In general, it is not possible to account for PVE with a uniform analysis: rightwards merge, leftward verb movement, and rightwards phrasal movement are required to capture the cross- and intralinguistic variation.
Knowing that a language is verb-final does not allow one to draw conclusions about word order variability in that language. There are patterns of homogeneity, such as the word order variability driven by directly preverbal focus and the givenness of postverbal elements, but those are not brought about by verb-finality alone. Preverbal word order variability is restricted by the more abstract property of obligatory subject movement, whereas the determinant of postverbal word order variability has to be determined in the future.
The automotive industry is a prime example of digital technologies reshaping mobility. Connected, autonomous, shared, and electric (CASE) trends lead to new emerging players that threaten existing industrial-aged companies. To respond, incumbents need to bridge the gap between contrasting product architecture and organizational principles in the physical and digital realms. Over-the-air (OTA) technology, that enables seamless software updates and on-demand feature additions for customers, is an example of CASE-driven digital product innovation. Through an extensive longitudinal case study of an OTA initiative by an industrial- aged automaker, this dissertation explores how incumbents accomplish digital product innovation. Building on modularity, liminality, and the mirroring hypothesis, it presents a process model that explains the triggers, mechanisms, and outcomes of this process. In contrast to the literature, the findings emphasize the primacy of addressing product architecture challenges over organizational ones and highlight the managerial implications for success.
Artikel 15 Grundgesetz als sozialistische Utopie? Keineswegs. Die Sozialisierungsnorm gibt dem Gesetzgeber ein Instrument an die Hand, um staatliche Gewährleistungsverantwortung mithilfe gemeinwirtschaftlicher Organisationsformen wahrzunehmen. Sozialisierungsmaßnahmen greifen in das Eigentumsgrundrecht ein. Sie treffen zudem auf grundrechtliche Funktionsgarantien einer marktwirtschaftlichen Ordnung und die unionsrechtliche Systemgarantie zugunsten des freien Wettbewerbs. Die Arbeit untersucht daher die verfassungsrechtlichen Anforderungen an die Sozialisierungsgesetzgebung auf Bundes- und Landesebene einschließlich der gerichtlichen Kontrolle. Ferner zeigt die Arbeit auf, wie sich Sozialisierungsgesetze unionsrechtskonform verhalten können.
Human activities modify nature worldwide via changes in the environment, biodiversity and the functioning of ecosystems, which in turn disrupt ecosystem services and feed back negatively on humans. A pressing challenge is thus to limit our impact on nature, and this requires detailed understanding of the interconnections between the environment, biodiversity and ecosystem functioning. These three components of ecosystems each include multiple dimensions, which interact with each other in different ways, but we lack a comprehensive picture of their interconnections and underlying mechanisms. Notably, diversity is often viewed as a single facet, namely species diversity, while many more facets exist at different levels of biological organisation (e.g. genetic, phenotypic, functional, multitrophic diversity), and multiple diversity facets together constitute the raw material for adaptation to environmental changes and shape ecosystem functioning. Consequently, investigating the multidimensionality of ecosystems, and in particular the links between multifaceted diversity, environmental changes and ecosystem functions, is crucial for ecological research, management and conservation. This thesis aims to explore several aspects of this question theoretically.
I investigate three broad topics in this thesis. First, I focus on how food webs with varying levels of functional diversity across three trophic levels buffer environmental changes, such as a sudden addition of nutrients or long-term changes (e.g. warming or eutrophication). I observed that functional diversity generally enhanced ecological stability (i.e. the buffering capacity of the food web) by increasing trophic coupling. More precisely, two aspects of ecological stability (resistance and resilience) increased even though a third aspect (the inverse of the time required for the system to reach its post-perturbation state) decreased with increasing functional diversity. Second, I explore how several diversity facets served as a raw material for different sources of adaptation and how these sources affected multiple ecosystem functions across two trophic levels. Considering several sources of adaptation enabled the interplay between ecological and evolutionary processes, which affected trophic coupling and thereby ecosystem functioning. Third, I reflect further on the multifaceted nature of diversity by developing an index K able to quantify the facet of functional diversity, which is itself multifaceted. K can provide a comprehensive picture of functional diversity and is a rather good predictor of ecosystem functioning. Finally I synthesise the interdependent mechanisms (complementarity and selection effects, trophic coupling and adaptation) underlying the relationships between multifaceted diversity, ecosystem functioning and the environment, and discuss the generalisation of my findings across ecosystems and further perspectives towards elaborating an operational biodiversity-ecosystem functioning framework for research and conservation.
Homomorphisms are a fundamental concept in mathematics expressing the similarity of structures. They provide a framework that captures many of the central problems of computer science with close ties to various other fields of science. Thus, many studies over the last four decades have been devoted to the algorithmic complexity of homomorphism problems. Despite their generality, it has been found that non-uniform homomorphism problems, where the target structure is fixed, frequently feature complexity dichotomies. Exploring the limits of these dichotomies represents the common goal of this line of research.
We investigate the problem of counting homomorphisms to a fixed structure over a finite field of prime order and its algorithmic complexity. Our emphasis is on graph homomorphisms and the resulting problem #_{p}Hom[H] for a graph H and a prime p. The main research question is how counting over a finite field of prime order affects the complexity.
In the first part of this thesis, we tackle the research question in its generality and develop a framework for studying the complexity of counting problems based on category theory. In the absence of problem-specific details, results in the language of category theory provide a clear picture of the properties needed and highlight common ground between different branches of science. The proposed problem #Mor^{C}[B] of counting the number of morphisms to a fixed object B of C is abstract in nature and encompasses important problems like constraint satisfaction problems, which serve as a leading example for all our results. We find explanations and generalizations for a plethora of results in counting complexity. Our main technical result is that specific matrices of morphism counts are non-singular. The strength of this result lies in its algebraic nature. First, our proofs rely on carefully constructed systems of linear equations, which we know to be uniquely solvable. Second, by exchanging the field that the matrix is defined by to a finite field of order p, we obtain analogous results for modular counting. For the latter, cancellations are implied by automorphisms of order p, but intriguingly we find that these present the only obstacle to translating our results from exact counting to modular counting. If we restrict our attention to reduced objects without automorphisms of order p, we obtain results analogue to those for exact counting. This is underscored by a confluent reduction that allows this restriction by constructing a reduced object for any given object. We emphasize the strength of the categorial perspective by applying the duality principle, which yields immediate consequences for the dual problem of counting the number of morphisms from a fixed object.
In the second part of this thesis, we focus on graphs and the problem #_{p}Hom[H]. We conjecture that automorphisms of order p capture all possible cancellations and that, for a reduced graph H, the problem #_{p}Hom[H] features the complexity dichotomy analogue to the one given for exact counting by Dyer and Greenhill. This serves as a generalization of the conjecture by Faben and Jerrum for the modulus 2. The criterion for tractability is that H is a collection of complete bipartite and reflexive complete graphs. From the findings of part one, we show that the conjectured dichotomy implies dichotomies for all quantum homomorphism problems, in particular counting vertex surjective homomorphisms and compactions modulo p. Since the tractable cases in the dichotomy are solved by trivial computations, the study of the intractable cases remains. As an initial problem in a series of reductions capable of implying hardness, we employ the problem of counting weighted independent sets in a bipartite graph modulo prime p. A dichotomy for this problem is shown, stating that the trivial cases occurring when a weight is congruent modulo p to 0 are the only tractable cases. We reduce the possible structure of H to the bipartite case by a reduction to the restricted homomorphism problem #_{p}Hom^{bip}[H] of counting modulo p the number of homomorphisms between bipartite graphs that maintain a given order of bipartition. This reduction does not have an impact on the accessibility of the technical results, thanks to the generality of the findings of part one. In order to prove the conjecture, it suffices to show that for a connected bipartite graph that is not complete, #_{p}Hom^{bip}[H] is #_{p}P-hard. Through a rigorous structural study of bipartite graphs, we establish this result for the rich class of bipartite graphs that are (K_{3,3}\{e}, domino)-free. This overcomes in particular the substantial hurdle imposed by squares, which leads us to explore the global structure of H and prove the existence of explicit structures that imply hardness.