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Spatial asymmetric duopoly with an application to Brussels’ airports

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Author Info
Fay Dunkerley () (CES – KU Leuven, Belgium)
André de Palma () (THEMA, Univ de Cergy Pontoise, France & ENPC)
Stef Proost () (CES – KU Leuven, Belgium, CORE, Belgium)

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Abstract

We study the problem of a city with access to two firms or subcentres (restaurants, airports) selling a differentiated product and/or offering a differentiated workplace. The first subcentre is easily congested (near city centre, access by road), the second less prone to congestion but further away. Both need to attract customers and employees and need to make profits to cover their fixed costs. This is an asymmetric duopoly game that can be solved for a Nash equilibrium in prices and wages. This solution involves excessive congestion for the nearby subcentre. Three stylised policies are studied to address this congestion. The first policy is to widen the congested road to the nearby subcentre. The second policy option is to add congestion pricing (or parking pricing etc.) for the congested subcentre. The third policy is to provide a direct subsidy to the remote subcentre so that it can reduce its price. We illustrate the theory using a numerical model applied to the two Brussels airports.

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Publisher Info
Paper provided by THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise in its series THEMA Working Papers with number 2007-14.

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Date of creation: 2007
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Handle: RePEc:ema:worpap:2007-14

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Related research
Keywords: duopoly; imperfect competition; congestion; general equilibrium; airport competition;

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Find related papers by JEL classification:
L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
R41 - Urban, Rural, and Regional Economics - - Transportation Systems - - - Transportation: Demand, Supply, and Congestion
R13 - Urban, Rural, and Regional Economics - - General Regional Economics - - - General Equilibrium and Welfare Economic Analysis of Regional Economies

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Thorsten Fischer & David R. Kamerschen, 2003. "Price-Cost Margins in the US Airline Industry using a Conjectural Variation Approach," Journal of Transport Economics and Policy, London School of Economics and University of Bath, vol. 37(2), pages 227-259, May. [Downloadable!] (restricted)
  2. Pels, Eric & Verhoef, Erik T., 2004. "The economics of airport congestion pricing," Journal of Urban Economics, Elsevier, vol. 55(2), pages 257-277, March. [Downloadable!] (restricted)
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  3. Jan K. Brueckner, 2002. "Airport Congestion When Carriers Have Market Power," American Economic Review, American Economic Association, vol. 92(5), pages 1357-1375, December. [Downloadable!]
  4. Kurt Van Dender, 2005. "Duopoly prices under congested access," Journal of Regional Science, Blackwell Publishing, vol. 45(2), pages 343-362. [Downloadable!] (restricted)
  5. Lambertini, Luca, 1997. "Optimal Fiscal Regime in a Spatial Duopoly," Journal of Urban Economics, Elsevier, vol. 41(3), pages 407-420, May. [Downloadable!] (restricted)
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  6. Fujita, Masahisa & Thisse, Jacques-François, 1996. "Economics of Agglomeration," CEPR Discussion Papers 1344, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  7. Pels, Eric & Nijkamp, Peter & Rietveld, Piet, 2003. "Access to and competition between airports: a case study for the San Francisco Bay area," Transportation Research Part A: Policy and Practice, Elsevier, vol. 37(1), pages 71-83, January. [Downloadable!] (restricted)
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