Using data on 4.1 million apps at the Google Play Store from 2016 to 2019, we document that GDPR induced the exit of about a third of available apps; and in the quarters following implementation, entry of new apps fell by half. We estimate a structural model of demand and entry in the app market. Comparing long-run equilibria with and without GDPR, we find that GDPR reduces consumer surplus and...
Physicians in primary care provide initial diagnosis and treatment for a diverse set of patients. However, whereas patients are demographically and socio-economically heterogeneous, physicians typically come from affluent and highly-educated backgrounds. As a result, there is often a mismatch between physicians and the community they serve. I investigate the role of patient-physician similarity...
How does online advertising affect consumer behaviour, product pricing and competition? To analyse this, I develop a theory of digital markets where an intermediary provides a platform for firms to advertise their product and where consumers need to engage in costly search if they want to learn about the product characteristics. First, I show that when prices are observable...
Wegen des Krieges hat die Ukraine den Transit von russischem Gas in Richtung Westen zum Teil eingestellt. Dazu eine Einordnung von Claudia Kemfert, Energieökonomin und Leiterin der Abteilung Energie, Verkehr, Umwelt im Deutschen Institut für Wirtschaftsforschung (DIW Berlin):
After the end of World War II in 1945, millions of refugees arrived in what in 1949 became the Federal Republic of Germany. We examine their effect on today’s productivity, wages, income, rents, education, and population density at the municipality level. Our identification strategy is based on a spatial discontinuity in refugee settlement at the border between the French and US occupation zones in ...
Exploiting the random allocation of asylum seekers to different locations in Germany, we study the impact of right-wing voting on refugees’ integration. We find that in municipalities with more voting for the right-wing AfD, refugees have worse economic and social integration. These impacts are largest for groups targeted by AfD campaigns and refugees are also more likely to suffer from harassment and ...
Ausnahmsweise kein Gender Gap: Eltern machen beim Taschengeld keinen Unterschied zwischen Töchtern und Söhnen – Das gilt für alle Altersgruppen, für West- und Ostdeutschland und auch für separate Analysen nach dem Einkommen der Eltern Regelmäßig belegen Studien mit Blick auf finanzielle Aspekte Unterschiede zwischen Frauen und Männern. Bekannt sind beispielsweise ...
