This paper considers the empirical assessment of the relationship between prices and number of firms in local markets in geographic or, more generally, characteristic space and its use as evidence in merger cases. It outlines a structural, semi-nonparametric econometric model of competition in...

Recent 'open-economy industrial organization' literature finds export orientation enhances the weight of post-merger international competitive gains, favouring lenient domestic merger policy. However, mergers seldom generate the 'significant synergies' supportive of international competitive...

This paper explores the Federal Trade Commission’s unilateral effects merger policy using a sample of 184 investigations undertaken between 1993 and mid-2010. A review of the files suggests that roughly half of the sample is evaluated with a dominant firm/monopoly model, while the rest of the...