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...

This paper takes a look at the effects of mergers in continental Europe over the past 15 years. We use a large panel of data on mergers to test several hypotheses. The effects of the mergers are examined by comparing the performance of the merging firms with control groups of non-merging and/or...

One of the most conspicuous features of mergers is that they come in waves that are correlated with increases in share prices and price/earnings ratios. We use a natural way to discriminate between pure stock market influences on firm decisions and other influences by examining merger patterns...