Indirect Versus Direct Constraints in Markets with Vertical Integration

20 Pages Posted: 15 Oct 2009

See all articles by Roman Inderst

Roman Inderst

Goethe University Frankfurt

Tommaso M. Valletti

Imperial College Business School; Centre for Economic Policy Research (CEPR)

Date Written: 2009-01

Abstract

For an assessment of market power on the wholesale (or merchant) market in the presence of vertically integrated firms, we analyze the interaction of direct constraints, arising from competition on the wholesale market, and of indirect constraints, arising from substitution on the retail market. A vertically integrated firm that still participates in the merchant market exerts both direct and indirect constraints. We analyze the factors that determine the importance of indirect constraints. We find that, in contrast to a common presumption, indirect constraints are sometimes more powerful than direct constraints. We furthermore analyze the incentives of integrated firms to still participate in the merchant market, provided that this is technologically feasible.

Suggested Citation

Inderst, Roman and Valletti, Tommaso M., Indirect Versus Direct Constraints in Markets with Vertical Integration (2009-01). Scandinavian Journal of Economics, Vol. 111, Issue 3, pp. 527-546, September 2009. Available at SSRN: https://ssrn.com/abstract=1489055 or http://dx.doi.org/10.1111/j.1467-9442.2009.01575.x

Roman Inderst (Contact Author)

Goethe University Frankfurt ( email )

Theodor-W.-Adorno-Platz 3
Frankfurt am Main, Hessen 60629
Germany
+49 (69) 798-34601 (Phone)
+49 (69) 798-35000 (Fax)

HOME PAGE: http://www.wiwi.uni-frankfurt.de/en/departments/finance/lehrstuhl/prof-dr-roman-inderst/team

Tommaso M. Valletti

Imperial College Business School ( email )

South Kensington Campus
Exhibition Road
London SW7 2AZ, SW7 2AZ
United Kingdom

Centre for Economic Policy Research (CEPR)

London
United Kingdom

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