Typically, laboratory experiments suffer from homogeneous subject pools and self-selection biases. The usefulness of survey data is limited by measurement error and by the questionability of their behavioral relevance. Here we present a method integrating interactive experiments and...

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that was conducted on a large platform for making charitable donations over the web, we exogenously vary the default options in two distinct choice dimensions. The first pertains to...

This paper studies the importance of politician's qualification, in terms of education and experience, for fiscal outcomes. The analysis is based on a large panel for 2,031 German municipalities for which we have collected information on municipal budgets as well as the election results and...

This paper studies coalition formation under asymmetric information. An outside party offers private payments in order to influence the collective decision over an unpopular reform. The willingness to accept such payments is private information. The paper demonstrates that a supermajority...

Does stiffer electoral competition reduce political rent-seeking behavior? For a microanalysis of this question, I construct a new data set spanning the years 2005 to 2012 covering biographical and political information of German members of parliament (MPs) and including attendance rates in...

In this short note, we use data from different elections in the German state of North-Rhine Westphalia between 1975 and 2010 to show that the social democrats generally profit from higher voter turnout at the expense of the conservatives. We deal with the endogeneity of voter turnout by using...

It is a longstanding debate whether members of parliament (MPs) should be allowed to follow sideline jobs in addition to their mandate. Critics claim that politicians already face binding time constraints and that moonlighting might lead to a neglect of inner-parliamentary duties. The purpose of...

Increasing work incentives for people with low incomes is a common topic in the policy debate across European countries. The Mini-Jobʺ reform in Germany - introduced on April 1, 2003 - can be seen in line with these policies, exempting labour income below a certain threshold from taxes and...

Entrepreneurial activity is often regarded as an engine for economic growth and job creation. Through tax policy, governments possess a potential lever to influence the decisions of economic agents to start and close small businesses. In Germany, the top marginal income tax rates were reduced...