Free disposal, monotonicity and equilibrium
This paper studies the effect of free disposal on the existence of Walrasian equilibrium for exchange economies with indivisible objects. It is shown that allowing an agent to enjoy free disposal has the same effect for generating an equilibrium (or eliminating existing equilibria) as allowing every agent to enjoy free disposal. A new equilibrium existence theorem is given to show how this observation can enhance the existence results by Kelso and Crawford (1982) and Sun and Yang (2006).
|Date of creation:||13 Nov 2012|
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- Kelso, Alexander S, Jr & Crawford, Vincent P, 1982. "Job Matching, Coalition Formation, and Gross Substitutes," Econometrica, Econometric Society, vol. 50(6), pages 1483-1504, November.
- Ma, Jinpeng, 1998.
"Competitive Equilibrium with Indivisibilities,"
Journal of Economic Theory,
Elsevier, vol. 82(2), pages 458-468, October.
- Gul, Faruk & Stacchetti, Ennio, 1999. "Walrasian Equilibrium with Gross Substitutes," Journal of Economic Theory, Elsevier, vol. 87(1), pages 95-124, July.
- Ning Sun & Zaifu Yang, 2006. "Equilibria and Indivisibilities: Gross Substitutes and Complements," Econometrica, Econometric Society, vol. 74(5), pages 1385-1402, 09.
- Bikhchandani, Sushil & Mamer, John W., 1997. "Competitive Equilibrium in an Exchange Economy with Indivisibilities," Journal of Economic Theory, Elsevier, vol. 74(2), pages 385-413, June.
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