In 2001, the state parliament of the German federal state of Hesse abolished a 5 percent legal electoral threshold for local elections. This reform had a stronger effect on municipalities with larger councils because implicit electoral thresholds decrease with council size. Exploiting...

Based on a database of 326 merger cases scrutinized by the European Commission between 1990 and 2007, we evaluate the economic impact of the change in European merger legislation in 2004. We first propose a general framework to assess merger policy effectiveness, which is based on standard...

Based on a database of 326 merger cases scrutinized by the European Commission between 1990 and 2007, we evaluate the economic impact of the change in European merger legislation in 2004. We first propose a general framework to assess merger policy effectiveness, which is based on standard...

We propose a general framework to assess merger policy effectiveness based on standard oligopoly theory and stock market reactions. We focus on four different dimensions of effectiveness: 1) legal certainty, 2) decision errors, 3) reversion of anti-competitive rents, and 4) deterrence. We apply...

Proportional election systems are widespread across countries and often lead to coalition governments. This creates interest in how the form of government (single-party or coalition governments) causally influences fiscal policies. It is difficult to estimate this causal effect empirically...

A feature of recent monetary policy asset purchase programmes is the reinvestment policy: the central bank announces to keep the overall volume of assets on its balance sheet constant for some time. In this paper, we systematically assess the macroeconomic effects of such reinvestment policies....

We evaluate the economic impact of the change in European merger legislation in 2004 and propose a general framework focusing on four different policy dimensions: 1) predictability, 2) decision errors, 3) reversion of anti-competitive rents, and 4) deterrence. We find that after the reform the...