A new point estimator for the AR(1) coefficient in the linear regression model with arbitrary exogenous regressors and stationary AR(1) disturbances is developed. Its construction parallels that of the median‐unbiased estimator, but uses the mode as a measure of central tendency. The...

Identifying the impact of local firm concentration on individual firm performance is likely to produce a selection bias related to the positive effects of local concentration if agglomeration economies and natural advantages coincide. We overcome this problem by exploiting exogenous variation...

Eintrag für die Universitätsbibliographie

We shed new light on the relative importance that schools’ ability to produce high achievers in math has for economic growth. Drawing on data from the International Mathematical Olympiad (IMO), the world championship in mathematics for high school students, we construct a measure for a...

We experimentally compare standard two-player trust games to three-player trust games, where two trustors compete for one trustee. We argue that a competitive environment could affect how the trustors’ behaviour is perceived by the trustee. If two trustors compete for the favour of a trustee,...

We test whether new firms locate close to incumbent firms of the same industry. Tendencies to coagglomerate may explain the general wisdom that industry location is highly persistent over time. We perform separate analysis for East and West Germany which enables us to study two integrated areas...