Rey, PatrickIdRefORCIDORCID: https://orcid.org/0000-0002-4141-2728, Spiegel, YossiIdRefORCIDORCID: https://orcid.org/0000-0002-4789-0659 and Stahl, Ernst KonradIdRef (2025) A Dynamic Model of Predation. Rand journal of economics, 56 (4). pp. 738-755.

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Identification Number : 10.1111/1756-2171.70027

Abstract

We study the feasibility and profitability of predation in a dynamic environment, using a parsimonious infinite-horizon, complete information setting in which an incumbent repeatedly faces potential entry. When a rival enters, the incumbent chooses whether to accommodate or predate it; the entrant then decides whether to stay or exit. We show that there always exists a Markov perfect equilibrium, which can be of three types: accommodation, monopolization, and recurrent predation. We then analyze and compare the welfare effects of different antitrust policies, accounting for the possibility that recurrent predation may be welfare improving.

Item Type: Article
Language: English
Date: November 2025
Refereed: Yes
Place of Publication: Mount Morris
Uncontrolled Keywords: predation, accommodation, entry, legal rules, arkov perfect equilibrium
JEL Classification: D43 - Oligopoly and Other Forms of Market Imperfection
L41 - Monopolization; Horizontal Anticompetitive Practices
Subjects: B- ECONOMIE ET FINANCE
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 13 Sep 2024 13:46
Last Modified: 29 Jan 2026 13:57
OAI Identifier: oai:tse-fr.eu:129429
URI: https://publications.ut-capitole.fr/id/eprint/49484
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