Die digitale Ökonomie hat unzählige Märkte nachhaltig verändert. Insbesondere Online Plattformen bieten eine noch nie dagewesene Auswahl an Produkten, gekoppelt mit innovativer Technologie, die das Zusammenfinden von Angebot und Nachfrage vereinfacht, Vertrauen aufbaut und Suchkosten reduziert. Gleichzeitig hat die neuartige Natur dieser Plattformen dazu geführt, dass sie teilweise mit den etablierten ...
This dissertation studies how insights from behavioral economics affect the economic analysis of public policy. The thesis consists of four chapters that make use of different methods: laboratory experiments, quasi-experimental and structural econometric methods, as well as theoretical analyses.The first chapter investigates if social image concerns affect the take-up of a redistributive transfer. ...
This dissertation consists of three essays that investigate the effects and transmission mechanisms of monetary policy to the macroeconomy, and the role of financial frictions in modeling the business cycle. The first essay focuses on the question of how to include financial sector dynamics into macroeconomic models in order to improve their efficacy for macroeconomic policy analysis. We augment a ...
Studies have found that education differences in women’s body weight increase until middle adulthood. The explanatory mechanisms behind this increase are not well-understood. This study examined the role of education differences in the prevalence of motherhood as a risk factor for weight gain and in vulnerability to its effects on weight gain. We used longitudinal data from the German Socio-economic ...
There are persisting wage inequalities between men and women. These gender differences in wages are also reflected in gender differences in the justice evaluation of earnings. Women – even though structurally disadvantaged – evaluate their own wages more positively (“contented female worker paradox”) and at the same time both men and women show a...
We conduct a randomized field experiment to study the effects of two financial education interventions offered to small-scale retailers in Uganda. The treatments contrast "active learning" with "traditional lecturing" within standardized lesson-plans. We find that active learning has a positive and economically meaningful impact on savings and investment outcomes, in contrast to insignificant impacts ...
Labor markets in low- and middle-income countries are characterized by high levels of informality. A multitude of interventions have been implemented to increase the formalization of firms and workers, including information campaigns, simplified registration procedures, reductions of payroll taxes, and interventions enforcing formalization. We compile a database of 170 impact estimates from 38 academic ...
This is an online seminar using Cisco Webex. You will receive the login data with the invitation to the talk. Abstract: The tracking of online user behavior is considered essential for the construction of consumer profiles, which help platforms monetize their services. Prominent examples are advertising in online search or social media, but also online retailing in which matching...
We study the role of financial literacy for inter-temporal decision-making using an adapted version of the Convex Time Budget Protocol (Andreoni and Sprenger 2012). While we find no evidence of dynamically inconsistent preferences in the aggregate, we document substantial heterogeneity in choice-patterns and estimated parameters at the individual-level: We find that subjects with higher levels of financial ...
