Are Incomlete Markets Able to Achieve Minimal Efficiency?
AbstractWe consider economies with incomplete markets, one good per state, two periods, t=0,1, private ownership of initial endowments, a single firm, and no assets other than shares in this firm. In Dierker, Dierker, Grodal (2002), we give an example of such an economy in which all market equilibria are constrained inefficient. In this paper, we weaken the concept of constrained efficiency by taking away the planner's right to determine consumers' investments. An allocation is called minimally constrained efficient if a planner, who can only determine the production plan and the distribution of consumption at t=0, cannot find a Pareto improvement. We present an example with arbitrarily small income effects in which no market equilibrium is minimally constrained efficient.
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Bibliographic InfoPaper provided by University of Vienna, Department of Economics in its series Vienna Economics Papers with number 0212.
Date of creation: Nov 2002
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Other versions of this item:
- Egbert Dierker & Hildegard Dierker & Birgit Grodal, 2005. "Are incomplete markets able to achieve minimal efficiency?," Economic Theory, Springer, vol. 25(1), pages 75-87, 01.
- Egbert Dierker & Hildegard Dierker & Birgit Grodal, 2002. "Are Incomplete Markets Able to Achieve Minimal Efficiency?," Discussion Papers 03-09, University of Copenhagen. Department of Economics.
- D2 - Microeconomics - - Production and Organizations
- D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
- D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
- G1 - Financial Economics - - General Financial Markets
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