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A classic characterization of competitive equilibria views them as feasible allocations maximizing a weighted sum of utilities. It has been applied to establish fundamental properties of the equilibrium notion, such as existence, determinacy, and computability. However, it fails for economies...
Persistent link: https://www.econbiz.de/10005405610
It is known that the incompleteness of asset markets causes inefficiency in almost every equilibrium. Yet unexplored is the "size" of this inefficiency. The size of a Pareto improvement is the total willingness to pay for it, out of current consumption. Inefficiency is the maximum size of any...
Persistent link: https://www.econbiz.de/10005181180
Persistent link: https://www.econbiz.de/10005370836
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...
Persistent link: https://www.econbiz.de/10005374267
We prove indeterminacy of competitive equilibrium in sequential economies, where limited commitment requires the endogenous determination of solvency constraints preventing debt repudiation (Alvarez and Jermann [3]). In particular, we show that, for any arbitrary value of social welfare in...
Persistent link: https://www.econbiz.de/10008556616
Persistent link: https://www.econbiz.de/10005033467
We propose an extension of the standard general equilibrium model with production and incomplete markets to situations in which (i) private investors have limited information on the returns of specific assets, (ii) managers of firms have limited information on the preferences of individual...
Persistent link: https://www.econbiz.de/10005042967
In this paper we investigate the welfare effects of capital income taxation in a standard one commodity general equilibrium model with incomplete markets (GEI) and production. We consider a competitive economy of two periods with uncertainty over a finite number S of possible states of nature...
Persistent link: https://www.econbiz.de/10005043123
In this paper we exploit global analysis to explore welfare properties of a standard one-commodity GEI, under different notions of constrained Pareto optimality. In a unifying framework we revise and extend some of the leading results of the literature on incomplete markets and government...
Persistent link: https://www.econbiz.de/10005043589
When the asset market is incomplete, there typically exist taxes on trades in assets and a redistribution of revenue in the asset market that are Pareto improving. The policy is anonymous, it economizes on complexity, and it results in ex post Pareto optimal allocations; it is publicly announced...
Persistent link: https://www.econbiz.de/10005065462