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Market structure, scale economies and industry performance
AMIR, Rabah - Center for Operations Research and Econometrics (CORE), … - 2003
We provide an extensive and general investigation of the effecst on industry performance - profits, social welfare and price-cost margins - of exogenously changing the number of firms in Cournot markets. This includes an in-depth exploration of the well-known trade-off between competition and...
Persistent link: https://www.econbiz.de/10005008299
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Entry accommodation under multiple commitment strategies: judo economics revisited
BOCCARD, Nicolas; WAUTHY, Xavier - Center for Operations Research and Econometrics (CORE), … - 2009
reduction as a way to induce entry accommodation: the entrant tends to rely exclusively on capacity limitation in a subgame …
Persistent link: https://www.econbiz.de/10008550174
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Market games and successive oligopolies
GABSZEWICZ, Jean J.; LAUSSEL, Didier; VAN YPERSELE, Tanguy - Center for Operations Research and Econometrics (CORE), … - 2007
This paper first introduces an approach relying on market games to examine how successive oligopolies do operate between downstream and upstream markets. This approach is then compared with the traditional analysis of oligopolistic interaction in successive markets. The market outcomes resulting...
Persistent link: https://www.econbiz.de/10005008556
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To acquire, or to compete? An entry dilemna
GABSZEWICZ, Jean; LAUSSEL, Didier; TAROLA, Ornella - Center for Operations Research and Econometrics (CORE), … - 2008
In this paper we address the following question: is it more profitable, for an entrant in a differentiated market, to acquire an existing firm than to compete? We illustrate the answer by considering competition in the banking sector.
Persistent link: https://www.econbiz.de/10005065442
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Entry, exit, and imperfect competition in the long run
AMIR, Rabah; LAMBSON, Val - Center for Operations Research and Econometrics (CORE), … - 2003
An infinite-horizon, stochastic model of entry and exit with sunk costs and imperfect competition is constructed …. Simple examples provide insights into: (1) the relationship between sunk costs and industry concentration, (2) entry when … current profits are negative, and (3) the relationship between entry and the length of the product cycle. A subgame perfect …
Persistent link: https://www.econbiz.de/10005065444
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On the existence of spatial monopolies under free entry
STEINMETZ, Sébastien; ZENOU, Yves - Center for Operations Research and Econometrics (CORE), … - 1999
In a model of horizontal product differentiation, we show that local monopolies may exist under free entry when capital … is perfectly mobile. In contrast both with the situation of restricted entry and with the zero-profit approach to free … entry outcomes of Salop (1979), the unit profit rate of incumbent monopolists is positive and bounded above in equilibrium …
Persistent link: https://www.econbiz.de/10005042799
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(Un)stable vertical collusive agreements
GABSZEWICZ, Jean; ZANAJ, Skerdilajda - Center for Operations Research and Econometrics (CORE), … - 2013
In this paper, we extend the concept of stability to vertical collusive agreements, involving downstream and upstream firms, using a setup of successive Cournot oligopolies. We show that a stable vertical agreement always exists: the unanimous vertical agreement involving all downstream and...
Persistent link: https://www.econbiz.de/10010735622
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Consistent Collusion-proofness and Correlation in Exchange Economies.
Giraud, G.; Rochon, C. - Center for Operations Research and Econometrics (CORE), … - 2001
We present a feasible strategic market mechanism with .nitely many agents whose Nash, semi-strong Nash and coalition-proof Nash equilibria fully im plement the Walrasian equilibria. We define a strategic equilibrium conce pt, called correlated semi-strong equilibrium,and show that the Walrasian...
Persistent link: https://www.econbiz.de/10005669287
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Competition among the big and the small
SHIMOMURA, Ken-Ichi; THISSE, Jacques-François - Center for Operations Research and Econometrics (CORE), … - 2012
both market structures. Due to the higher toughness of competition, the entry of big firms leads them to sell more through … welfare increases with the number of big firms because the pro-competitive effect associated with entry dominates the …
Persistent link: https://www.econbiz.de/10010610486
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Competition among the big and the small
SHIMOMURA, Ken-Ichi; THISSE, Jacques-François - Center for Operations Research and Econometrics (CORE), … - 2009
Persistent link: https://www.econbiz.de/10008550222