We study the welfare effects of non-binding advance price announcements. Applying a differentiated Bertrand model with horizontal products and asymmetric information, we find that such announcements can help firms to gain information on each other thereby allowing them to achieve higher profits....

We evaluate the impact of European antitrust policy by analyzing the stock market response to investigation announcements, infringement decisions, and appeals. We examine a sample of 253 companies involved in 118 European antitrust cases over the period 1974-2004. We uncover significantly...

We examine empirically the impact of ex ante competitive threats from potential foreign rivals on bad news hoarding/disclosure decisions. We find that stronger antitrust enforcement around the world causes domestic U.S. firms to exhibit lower levels of stock price crash risk. This is consistent...

This paper applies an intuitive approach based on stock market data to a unique dataset of large concentrations during the period 1990-2002 to assess the effectiveness of European merger control. The basic idea is to relate announcement and decision abnormal returns. Under a set of four...

The Supreme Court recently held that in reverse-payment settlements of drug patent disputes, anticompetitive effects can be inferred if the reverse payment exceeds the patent holder's anticipated litigation costs, absent some offsetting justification. Application of this standard is problematic...

This paper applies a novel methodology to a unique dataset of large concentrations during the period 1990-2002 to assess merger control's effectiveness. By using data gathered from several sources and employing different evaluation techniques, we analyze the economic effects of the European...