This paper studies whether people's perception of improvements in local air quality are reflected in the housing market based on comprehensive data on real estate prices from Germany. Using a quasi-experimental research design, we exploit the staggered introduction of Low Emission Zones (LEZs)...

This article investigates the effects of large groups of first-year students on individual college performance. The study is based on administrative micro-level data from the universe of higher education institutions in Germany. The empirical strategy exploits shocks in undergraduate enrollment...

Between 2003 and 2005, the German government passed an unprecedented package of labor market reforms, commonly known as the Hartz-reforms. This led to a "labor market miracle" with sharply declining unemployment rates. This paper examines these reforms at the regional level and provides a...

Arguably, one of the most important developments in the field of applied economics during the last decades has been the emergence of systematic policy evaluation, with its distinct focus on the establishment of causality.By contrast to the natural sciences, the objects of our scientific interest...

The introduction of the German parental leave benefit (Elterngeld) applied to all children born on January 1st, 2007 or later. The new Elterngeld considerably changed the amount of transfers to families during the first two years postpartum. We show that the incentives created by using a cut-off...

With its commitment to double the share of renewable fuels in electricity generation to at least 30% by 2020, the German government has embarked on a potentially costly policy course whose public support remains an open empirical question. Building on household survey data, in this paper we...

This paper investigates the effects of tuition fees on the university enrollment and location decision of high school graduates in Germany. After a Federal Constitutional Court decision in 2005, 7 out of 16 German federal states introduced tuition fees for higher education. In the empirical...

This paper analyzes the effect of the introduction of performance-related funding in the German university sector. Starting in the 1990‘s, the federal states of Germany introduced incentive-based funding systems in order to increase universities‘ performance and efficiency. We estimate the...

The paper analyses how context and time dependent factors determine the impulse of R&D subsidies on firm behavior with respect to private R&D expenditures. Based on data from the German R&D survey, we combine propensity-score matching with a difference-in-difference-estimator in order to measure...

When properly implemented, Randomized Controlled Trials (RCT) achieve a high degree of internal validity. Yet, if an RCT is to inform policy, it is critical to establish external validity. This paper systematically reviews all RCTs conducted in developing countries and published in leading...