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Title: Essays in competition policy
Author: Coles, Heather E.
Awarding Body: University of East Anglia
Current Institution: University of East Anglia
Date of Award: 2006
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The chapters of this thesis are driven by contemporary competition policy questions. Although each chapter is self-standing, they all concern the effect of mergers on competition and pricing. To date one chapter is complete, it includes a theoretical model which determines the competitive effects of mergers across hub-and-spoke networks. The analysis put forward in this thesis upgrade forms the basis of a 2°d chapter. It translates recent theoretical insights on tacit collusion and asymmetries onto a graph, which can be used to identify those mergers most likely to result in coordinated effects. A sample of 73 merger cases investigated by the European Competition Commission is drawn on, and their model of tacit coordination unravelled. A third chapter will follow from this analysis and will incorporate an in-depth case study of a market where collective dominance was a competition concern. It will examine how the market has evolved since intervention and test whether the empirical evidence is consistent with the theory.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available