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Perishable Durable Goods

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  • Leonardo Rezende

    (Catholic University Sao Paulo)

  • In-Koo Cho

    (University of Illinois)

Abstract

We examine whether the Coase conjecture (Coase [1972], Stokey [1981], Bulow [1982], Gul, Sonnenschein and Wilson [1986]) is robust against slight ability of commitment of the monopolist not to sell the durable goods to consumers with a reservation value higher than the marginal production cost. We quantify the commitment ability in terms of the speed that the durable goods perish instead of the time interval between the offers. We demonstrate that the slight commitment capability makes a substantial difference by constructing two kinds of reservation price equilibria (Gul, Sonnenschein and Wilson [1986]) that refute the Coase conjecture. In the first equilibrium, the monopolist can credibly delay to make an acceptable offer. Almost all consumers are served, but only after very long delay. As a result, the total gains from trading is arbitrarily small. In the second equilibrium, the monopolist's expected profit can be made close to the static monopoly profit, if the goods perish very slowly. This result differs from (Bond and Samuelson [1984]) where the good is depreciated after being delivered to the consumers, because the difference from the competitive equilibrium outcome does not vanish even if the time between the offers and the rate of decay converge to 0. By using the first kind of reservation price equilibrium as a credible threat against the seller, we can obtain the Folk theorem. Various extensions are discussed.

Suggested Citation

  • Leonardo Rezende & In-Koo Cho, 2007. "Perishable Durable Goods," 2007 Meeting Papers 453, Society for Economic Dynamics.
  • Handle: RePEc:red:sed007:453
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    References listed on IDEAS

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    1. Larry M. Ausubel & Raymond J. Deneckere, 1989. "Reputation in Bargaining and Durable Goods Monopoly," Levine's Working Paper Archive 201, David K. Levine.
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    3. Sobel, Joel, 1991. "Durable Goods Monopoly with Entry of New Consumers," Econometrica, Econometric Society, vol. 59(5), pages 1455-1485, September.
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    5. Eric W. Bond & Larry Samuelson, 1984. "Durable Good Monopolies with Rational Expectations and Replacement Sales," RAND Journal of Economics, The RAND Corporation, vol. 15(3), pages 336-345, Autumn.
    6. Ausubel, Lawrence M & Deneckere, Raymond J, 1989. "Reputation in Bargaining and Durable Goods Monopoly," Econometrica, Econometric Society, vol. 57(3), pages 511-531, May.
    7. Bulow, Jeremy I, 1982. "Durable-Goods Monopolists," Journal of Political Economy, University of Chicago Press, vol. 90(2), pages 314-332, April.
    8. Salvo, Alberto, 2004. "Inferring conduct under the threat of entry: the case of the Brazilian cement industry," LSE Research Online Documents on Economics 6728, London School of Economics and Political Science, LSE Library.
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    10. Coase, Ronald H, 1972. "Durability and Monopoly," Journal of Law and Economics, University of Chicago Press, vol. 15(1), pages 143-149, April.
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    Cited by:

    1. Johannes Hörner & Larry Samuelson, 2011. "Managing Strategic Buyers," Journal of Political Economy, University of Chicago Press, vol. 119(3), pages 379-425.
    2. Weber, Thomas A., 2014. "A continuum of commitment," Economics Letters, Elsevier, vol. 124(1), pages 67-73.

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