@article{TeomyMetzler2019,
  author    = {Teomy, Eial and Metzler, Ralf},
  title     = {Transport in exclusion processes with one-step memory: density dependence and optimal acceleration},
  series = {Journal of physics : A, Mathematical and theoretical},
  volume    = {52},
  journal   = {Journal of physics : A, Mathematical and theoretical},
  number    = {38},
  publisher = {IOP Publ. Ltd.},
  address   = {Bristol},
  issn      = {1751-8113},
  doi       = {10.1088/1751-8121/ab37e4},
  pages     = {19},
  year      = {2019},
  abstract  = {We study a lattice gas of persistent walkers, in which each site is occupied by at most one particle and the direction each particle attempts to move to depends on its last step. We analyse the mean squared displacement (MSD) of the particles as a function of the particle density and their persistence (the tendency to continue moving in the same direction). For positive persistence the MSD behaves as expected: it increases with the persistence and decreases with the density. However, for strong anti-persistence we find two different regimes, in which the dependence of the MSD on the density is non-monotonic. For very strong anti-persistence there is an optimal density at which the MSD reaches a maximum. In an intermediate regime, the MSD as a function of the density exhibits both a minimum and a maximum, a phenomenon which has not been observed before. We derive a mean-field theory which qualitatively explains this behaviour.},
  language  = {en}
}
@article{RadchukDeLaenderCabraletal.2019,
  author    = {Radchuk, Viktoriia and De Laender, Frederik and Cabral, Juliano Sarmento and Boulangeat, Isabelle and Crawford, Michael Scott and Bohn, Friedrich and De Raedt, Jonathan and Scherer, Cedric and Svenning, Jens-Christian and Thonicke, Kirsten and Schurr, Frank M. and Grimm, Volker and Kramer-Schadt, Stephanie},
  title     = {The dimensionality of stability depends on disturbance type},
  series = {Ecology letters},
  volume    = {22},
  journal   = {Ecology letters},
  number    = {4},
  publisher = {Wiley},
  address   = {Hoboken},
  issn      = {1461-023X},
  doi       = {10.1111/ele.13226},
  pages     = {674 -- 684},
  year      = {2019},
  abstract  = {Ecosystems respond in various ways to disturbances. Quantifying ecological stability therefore requires inspecting multiple stability properties, such as resistance, recovery, persistence and invariability. Correlations among these properties can reduce the dimensionality of stability, simplifying the study of environmental effects on ecosystems. A key question is how the kind of disturbance affects these correlations. We here investigated the effect of three disturbance types (random, species-specific, local) applied at four intensity levels, on the dimensionality of stability at the population and community level. We used previously parameterized models that represent five natural communities, varying in species richness and the number of trophic levels. We found that disturbance type but not intensity affected the dimensionality of stability and only at the population level. The dimensionality of stability also varied greatly among species and communities. Therefore, studying stability cannot be simplified to using a single metric and multi-dimensional assessments are still to be recommended.},
  language  = {en}
}
@article{MuwongeSchiefeleSsenyongaetal.2017,
  author    = {Muwonge, Charles Magoba and Schiefele, Ulrich and Ssenyonga, Joseph and Kibedi, Henry},
  title     = {Determinants of persistence among science teacher-trainees},
  series = {ournal of science teacher education : official journal of the Association for Science Teacher Education (ASTE)},
  volume    = {28},
  journal   = {ournal of science teacher education : official journal of the Association for Science Teacher Education (ASTE)},
  publisher = {Taylor \& Francis},
  address   = {Abingdon},
  issn      = {1046-560X},
  doi       = {10.1080/1046560X.2017.1379860},
  pages     = {522 -- 548},
  year      = {2017},
  abstract  = {Grounded in the expectancy-value and hope theories, the present study was conducted to examine the extent to which self-efficacy, task value, and academic hope predict persistence among science teacher-trainees in Uganda. The sample consisted of 278 undergrad- uate science teacher-trainees selected from a large public university in northern Uganda. Data were collected using several scales from the modified Motivated Strategies for Learning Questionnaire, Academic Hope Scale, and College Persistence Questionnaire and analyzed using structural equation modeling. Task value and aca- demic hope significantly predicted students' persistence. Academic hope made a greater contribution to students' persistence compared to task value. The combined effect of task value and academic hope did not make any significant contribution to students' persistence. The study highlights the need to strengthen students' hopeful think- ing and task value in order to increase their chances of completing their studies. Implications of the study findings for educational practice and for the training of science teacher-trainees are elaborated in the article.},
  language  = {en}
}
@article{CaliendoGoethnerWeissenberger2019,
  author    = {Caliendo, Marco and Goethner, Maximilian and Weißenberger, Martin},
  title     = {Entrepreneurial persistence beyond survival: Measurement and determinants},
  series = {Journal of Small Business Management},
  volume    = {58},
  journal   = {Journal of Small Business Management},
  number    = {3},
  publisher = {Taylor \& Francis},
  address   = {London},
  pages     = {32},
  year      = {2019},
  abstract  = {Entrepreneurial persistence is demonstrated by an entrepreneur's continued positive maintenance of entrepreneurial motivation and constantly renewed active engagement in a new business venture despite counterforces or enticing alternatives. It thus is a crucial factor for entrepreneurs when pursuing and exploiting their business opportunities and in realizing potential economic gains and benefits. Using rich data on a representative sample of German business founders, we investigated the determinants of entrepreneurial persistence. Next to observed survival, we also constructed a hybrid persistence measure capturing the motivational dimension of persistence. We analyzed the influence of individual-level (human capital and personality) and business-related characteristics on both measures as well as their relative importance. We found that the two indicators emphasize different aspects of persistence. For the survival indicator, the predictive power was concentrated in business characteristics and human capital, while for hybrid persistence the dominant factors were business characteristics and personality. Finally, we showed that results were heterogeneous across subgroups. In particular, formerly unemployed founders did not differ in survival chances, but they were more likely to lack a high psychological commitment to their business ventures.},
  language  = {en}
}
@article{BookersJacobBohlkenetal.2016,
  author    = {Bookers, Anke and Jacob, Louis and Bohlken, Jens and Rapp, Michael Armin and Kostev, Karel},
  title     = {Persistence with antipsychotics in dementia patients in Germany},
  series = {International journal of clinical pharmacology and therapeutics},
  volume    = {54},
  journal   = {International journal of clinical pharmacology and therapeutics},
  publisher = {Dustri-Verlag Dr. Karl Feistle},
  address   = {Deisenhofen-M{\~A}¼nchen},
  issn      = {0946-1965},
  doi       = {10.5414/CP202631},
  pages     = {835 -- 840},
  year      = {2016},
  abstract  = {Background/Aims: To analyze the duration of treatment with antipsychotics in German dementia patients. Methods: This study included patients aged 60 years and over with dementia who received a first-time antipsychotic prescription by psychiatrists between 2009 and 2013. The main outcome measure was the treatment rate for more than 6 months following the index date. Results: A total of 12,979 patients with dementia (mean age 82 years, 52.1\% living in nursing homes) were included. After 2 years of follow-up, 54.8\%, 57.2\%, 61.1\%, and 65.4\% of patients aged 60 - 69, 70 - 79, 80 - 89, and 90 - 99 years, respectively, received antipsychotic prescriptions. 63.9\% of subjects living in nursing homes and 55.0\% of subjects living at home also continued their treatment (p-value < 0.001). Conclusion: The percentage of dementia patients treated with anti psychotics is very high.},
  language  = {en}
}