Constrained inefficiency in GEI: a geometric argument

Mario Tirelli ()

No 86, Departmental Working Papers of Economics - University 'Roma Tre' from Department of Economics - University Roma Tre

Abstract: In this paper we use global analysis to study the welfare properties of general equilibrium economies with incomplete markets (GEI). Our main result is to show that constrained Pareto optimal equilibria are contained in a submanifold of the equilibrium set. This result is explicitly derived for economies with real assets and xed aggregate resources, of which real numeraire assets are a special case. As a by product of our analysis, we propose an original global parametrization of the equilibrium set that generalizes to incomplete markets the classical one, rst, proposed by Lange (1942).

Keywords: General equilibrium; incomplete markets; optimality; global analysis (search for similar items in EconPapers)
JEL-codes: D52 D61 D62 (search for similar items in EconPapers)
Pages: 26
Date: 2008-01
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:rtr:wpaper:0086

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