Evaluating merger effects

Genakos, Christos, Lamprinidis, Andreas and Walker, James (2023) Evaluating merger effects. CEP Discussion Papers (CEPDP1921). London School of Economics and Political Science. Centre for Economic Performance, London, UK.

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Abstract

This paper proposes a new algorithm with which to identify the potential effect of mergers by comparing the outcomes of interest in areas of overlap for the merging parties vis-a-vis areas of no overlap within a difference-in-differences estimation framework. Utilizing our proposed algorithm enables researchers and policymakers to perform retrospective merger evaluation studies that look at the effects of mergers on both price and non-price aspects. We demonstrate the applicability and value of our proposed methodology by examining the effects on price and product variety of four mergers of the late 1980s and the 1990s on the U.K. car market.

Item Type:	Monograph (Discussion Paper)
Official URL:	https://cep.lse.ac.uk/_new/publications/discussion...
Additional Information:	© 2023 The Author(s)
Divisions:	Centre for Economic Performance
Subjects:	H Social Sciences > HC Economic History and Conditions H Social Sciences > HD Industries. Land use. Labor
JEL classification:	L - Industrial Organization > L0 - General L - Industrial Organization > L1 - Market Structure, Firm Strategy, and Market Performance L - Industrial Organization > L4 - Antitrust Issues and Policies L - Industrial Organization > L5 - Regulation and Industrial Policy
Date Deposited:	24 Jan 2024 11:27
Last Modified:	24 Jan 2024 11:33
URI:	http://eprints.lse.ac.uk/id/eprint/121325

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