330 Wirtschaft
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Steigende Mieten?
(2022)
Vor dem Hintergrund rasant steigender Mieten in deutschen Großstädten untersuchen wir in einer neuen Studie die Auswirkungen von Gentrifizierung sowie von politischen Gegenmaßnahmen auf unterschiedliche Einkommensgruppen anhand eines quantitativen Modells für Berlin. Wir finden, dass eine Mietpreisbindung (wie der „Mietendeckel“) allen Haushalten, vor allem aber den ärmeren Haushalten, schadet. Andere Maßnahmen wie Neubau oder direkte Subventionen schneiden besser ab.
Ticket to Paradise?
(2022)
This paper provides novel evidence on the impact of public transport subsidies on air pollution. We obtain causal estimates by leveraging a unique policy intervention in Germany that temporarily reduced nationwide prices for regional public transport to a monthly flat rate price of 9 Euros. Us-ing DiD estimation strategies on air pollutant data, we show that this intervention causally reduced a benchmark air pollution index by more than six percent. Our results illustrate that public transport subsidies – especially in the context of spatially constrained cities – offer a viable alterna-tive for policymakers and city planers to improve air quality, which has been shown to crucially affect health outcomes.