The strategic management literature has found it difficult to differentiate between collusive and efficiency-based synergies in horizontal merger activity. We propose a schematic to classify mergers that yields more information on merger types and merger effects, and that can, moreover,...

It is commonly perceived that firms do not want to be outsiders to a merger between competitor firms. We instead argue that it is beneficial to be a nonmerging rival firm to a large horizontal merger. Using a sample of mergers with expert-identification of relevant rivals and the event-study...

This study has been commissioned by the Competition Directorate- General of the European Commission (from hereon DG Competition) to develop “a detailed methodological approach for the ex-post review of European Commission decisions in the field of merger control, namely for assessing the...

The health system and the various healthcare markets are characterized by a number of special features requiring a high degree of government regulation. Giving all sections of the population access to healthcare services, and doing this cost-effectively and affordably, is a political challenge...

Economists have long discussed the correlation between the quality of competition policies and a country's productivity growth. It is, however, very difficult to prove this connection, to determine its extent or to quantify it. Commissioned by the European Commission, a team of international...

The role of merger control is to protect the interests of consumers over those of major corporations. To improve this protection, European merger control underwent comprehensive reforms in 2004. The aim was to increase the importance of economic principles in reaching verdicts. An empirical...

We investigate the welfare impact of parallel imports using a large panel data set containing monthly information on sales, ex-factory prices, and further product characteristics for all 700 antidiabetic drugs sold in Germany between 2004 and 2010. We estimate a two-stage nested logit model of...