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Using an aggregative games approach, we analyze horizontal mergers in a model of multiproduct-firm price competition with nested CES or nested logit demands. We show that the Herfindahl index provides an adequate measure of the welfare distortions introduced by market power, and that the induced...
Persistent link: https://www.econbiz.de/10012453139
Most of the theoretical work on collusion and price wars assumes identical firms and an unchanging environment, assumptions which are at odds with what we know about most industries. Further that literature focuses on the impact of collusion on prices. Whether an industry can support collusion...
Persistent link: https://www.econbiz.de/10012471871
We study the efficiency of oligopoly equilibria in a model where firms compete over capacities and prices. The … demands across the firms. We first establish the existence of pure strategy subgame perfect equilibria (oligopoly equilibria … oligopoly equilibria of this game can be arbitrarily low. However, if the best oligopoly equilibrium is selected (among multiple …
Persistent link: https://www.econbiz.de/10012465855
We study dynamic price competition between sellers offering differentiated products with limited capacity and a common sales deadline. In every period, firms simultaneously set prices, and a randomly arriving buyer decides whether to purchase a product or leave the market. Given remaining...
Persistent link: https://www.econbiz.de/10014635636
How strong are strategic complementarities in price setting across firms? In this paper, we provide a direct empirical estimate of firm price responses to changes in prices of their competitors. We develop a general framework and an empirical identification strategy to estimate the elasticities...
Persistent link: https://www.econbiz.de/10012456555
Oligopoly models of short-run price competition predict that large firms can exercise market power and generate …
Persistent link: https://www.econbiz.de/10012455156
We study the efficiency of oligopoly equilibria in congested markets. The motivating examples are the allocation of …
Persistent link: https://www.econbiz.de/10012467484
strategic effects of oligopoly from the effects this has on residual demand, we compare our model to one with monopolistic firms …
Persistent link: https://www.econbiz.de/10012481391
machinery, electrical products and chemical products industries. The results show that there is significant oligopoly power in …
Persistent link: https://www.econbiz.de/10012475436
We demonstrate how to estimate a model of product demand and oligopoly pricing when products are multi … informed by economic theory, we simultaneously estimate a demand system and price-cost margins for products differentiated in …
Persistent link: https://www.econbiz.de/10012475970