Input foreclosure under alternative entry conditions in the upstream market
We analyze a successive vertical Cournot oligopoly model with homogeneous intermediate and final goods. Under restricted entry in both upstream and downstream markets, the input price continuously falls on a sequential merger path. Partial input foreclosure never occurs. However, when there is free entry in the upstream market, we find that the input price initially falls but eventually rises as incremental vertical mergers occur. Thus, under upstream free-entry equilibrium, the possibility of partial input foreclosure arises.
References listed on IDEAS
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- Roman Inderst & Tommaso Valletti, 2006. "Market Analysis in the Presence of Indirect Constraints and Captive Sales," CEIS Research Paper 74, Tor Vergata University, CEIS.
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- Inderst, Roman & Valletti, Tommaso, 2011. "Incentives for input foreclosure," European Economic Review, Elsevier, vol. 55(6), pages 820-831, August.
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