This paper develops a new merger simulation methodology based on the analysis of the performance change of a hypothetical firm with average market share. It applies the methodology to the Optimus-TMN mobile telecom merger case in Portugal, within the context of the December 2006 decision by the...

Since the onset of the sovereign debt crisis, the crisis-stricken countries in Europe have been pushed to take drastic steps to consolidate their finances and reduce their budget deficits. Despite strong public opposition and largely damaging short-run effects, the countries have undertaken many...

This note argues that the solutions to the euro-area crisis proposed by the EU governing institutions in cooperation with the IMF, based on further austerity and wage cuts, will worsen the crisis. They are unlikely to reduce both sovereign and external debt ratios of countries experiencing these...

This article proposes a novel procedure to test whether firms compete à la Cournot or perfectly collude when firms' conduct is allowed to be heterogeneous along the conditional distribution of price–cost margins. We apply the procedure to a panel of quarterly data for 177 mobile-voice...