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Depreciation erodes the Coase Conjecture

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  • Karp, Larry

Abstract

If a durable good monopolist produces at constant marginal costs and the good depreciates, there exists a family of Strong Markov Perfect Equilibrium (SMPE) with an infinitesimal period of commitment. One member of this family entails instantaneous production of the level of stock produced in a competitive equilibrium; this is consistent with the Coase Conjecture. Other SMPE in the family entail steady state production at a stock level lower than in the competitive equilibrium. In these equilibria, there may be a jump to the steady state, or the steady state may be approached asymptotically. Monopoly profits are postive in these equilibria, and the Coase Conjecture fails. We contrast this result to other papers which use non-Markov strategies to construct multiple equilibria.

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Bibliographic Info

Article provided by Elsevier in its journal European Economic Review.

Volume (Year): 40 (1996)
Issue (Month): 2 (February)
Pages: 473-490

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Handle: RePEc:eee:eecrev:v:40:y:1996:i:2:p:473-490

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  1. Karp, Larry & Newbery, David M G, 1989. "Intertemporal Consistency Issues in Depletable Resources," CEPR Discussion Papers 346, C.E.P.R. Discussion Papers.
  2. Driskill, Robert, 1997. "Durable-Goods Monopoly, Increasing Marginal Cost and Depreciation," Economica, London School of Economics and Political Science, vol. 64(253), pages 137-54, February.
  3. Bagnoli, Mark & Salant, Stephen W & Swierzbinski, Joseph E, 1989. "Durable-Goods Monopoly with Discrete Demand," Journal of Political Economy, University of Chicago Press, vol. 97(6), pages 1459-78, December.
  4. Bond, Eric W. & Samuelson, Larry, 1987. "The Coase conjecture need not hold for durable good monopolies with depreciation," Economics Letters, Elsevier, vol. 24(1), pages 93-97.
  5. Tsutsui, Shunichi & Mino, Kazuo, 1990. "Nonlinear strategies in dynamic duopolistic competition with sticky prices," Journal of Economic Theory, Elsevier, vol. 52(1), pages 136-161, October.
  6. Dutta, Prajit K & Sundaram, Rangarajan K, 1993. "The Tragedy of the Commons?," Economic Theory, Springer, vol. 3(3), pages 413-26, July.
  7. Gul, Faruk & Sonnenschein, Hugo & Wilson, Robert, 1986. "Foundations of dynamic monopoly and the coase conjecture," Journal of Economic Theory, Elsevier, vol. 39(1), pages 155-190, June.
  8. Malueg, David A & Solow, John L, 1990. "Monopoly Production of Durable Exhaustible Resources," Economica, London School of Economics and Political Science, vol. 57(225), pages 29-47, February.
  9. Bulow, Jeremy, 1986. "An Economic Theory of Planned Obsolescence," The Quarterly Journal of Economics, MIT Press, vol. 101(4), pages 729-49, November.
  10. 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.
  11. Coase, Ronald H, 1972. "Durability and Monopoly," Journal of Law and Economics, University of Chicago Press, vol. 15(1), pages 143-49, April.
  12. Bulow, Jeremy I, 1982. "Durable-Goods Monopolists," Journal of Political Economy, University of Chicago Press, vol. 90(2), pages 314-32, April.
  13. Olsen, Trond E., 1992. "Durable goods monopoly, learning by doing and the Coase conjecture," European Economic Review, Elsevier, vol. 36(1), pages 157-177, January.
  14. Larry M. Ausubel & Raymond J. Deneckere, 1989. "Reputation in Bargaining and Durable Goods Monopoly," Levine's Working Paper Archive 201, David K. Levine.
  15. Nancy L. Stokey, 1981. "Rational Expectations and Durable Goods Pricing," Bell Journal of Economics, The RAND Corporation, vol. 12(1), pages 112-128, Spring.
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