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Depreciation erodes the Coase Conjecture

  • Karp, Larry

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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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
Contact details of provider: Web page: http://www.elsevier.com/locate/eer

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  1. 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.
  2. Faruk Gul & Hugo Sonnenschein & Robert Wilson, 2010. "Foundations of Dynamic Monopoly and the Coase Conjecture," Levine's Working Paper Archive 232, David K. Levine.
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  5. 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.
  6. Larry M. Ausubel & Raymond J. Deneckere, 1989. "Reputation in Bargaining and Durable Goods Monopoly," Levine's Working Paper Archive 201, David K. Levine.
  7. Dutta, Prajit K & Sundaram, Rangarajan K, 1993. "The Tragedy of the Commons?," Economic Theory, Springer, vol. 3(3), pages 413-26, July.
  8. 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.
  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. Karp, Larry & Newbery, David M G, 1989. "Intertemporal Consistency Issues in Depletable Resources," CEPR Discussion Papers 346, C.E.P.R. Discussion Papers.
  11. 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.
  12. Nancy L. Stokey, 1981. "Rational Expectations and Durable Goods Pricing," Bell Journal of Economics, The RAND Corporation, vol. 12(1), pages 112-128, Spring.
  13. Coase, Ronald H, 1972. "Durability and Monopoly," Journal of Law and Economics, University of Chicago Press, vol. 15(1), pages 143-49, April.
  14. 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.
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