Every month, the ifo Business Survey (IBS) asks a representative set of 9000 German firms about their current and expected economic conditions. Thus, the micro data of the IBS are ideally suited to study various aspects of firm behavior. However, methodological heterogeneities between different...

We study whether a democracy improves a measure of individual wellbeing; human heights. Drawing on individual-level datasets, we test the hypothesis using a battery of eight different measures of democracy and derived averages, and include models accounting for several confounders, regional and...

EU Merger Control Regulation No 4064/89 tended to rely on a dominance test, based on the market share of undertakings, to indicate the level and potential changes in market power. The use of such in differentiated product industries is questionable. New EC Merger Regulation No 139/2004...

An increasing body of empirical evidence is documenting trends toward rising concentration, profits, and markups in many industries around the world since the 1980s. Two major criticisms of these studies is that concentration and market shares are poorly measured at the national industry level...