Leniency Programs under Demand Uncertainty: Cartel Stability and the Duration of Price Wars

Konstantinos Charistos (kostchar@uom.edu.gr)
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Konstantinos Charistos: Department of Economics, University of Macedonia

Discussion Paper Series from Department of Economics, University of Macedonia

Abstract: Leniency Programs reduce sanctions against cartel members that either report spontaneously the existence of the infringement or cooperate during the investigation and facilitate prosecution. This paper investigates the impact of leniency programs on cartel stability when demand is uncertain and firms cannot perfectly observe their rival’s choices. We show that pre-investigation leniency may or may not be effective in destroying the cartel, but in neither case affects the duration of price wars. Postinvestigation leniency may have ambiguous welfare effects, in affecting both cartel stability and price wars duration. LPs applying in situations where leniency is not urgently needed may be not only ineffective, but also welfare reducing. Hence, in markets where negative demand shocks are sufficiently frequent, leniency policies may produce undesirable effects.

Keywords: antitrust enforcement; collusion; leniency programs; price wars. (search for similar items in EconPapers)
JEL-codes: K21 L12 L41 (search for similar items in EconPapers)
Date: 2015-02, Revised 2015-08
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