# Rational expectations equilibria in sequence economies with symmetric information: the two-period case

Article Abstract:

There exists an upper hemi-continuity of rational expectations equilibria in two-period sequence economies with symmetric information when the state space is uncountable. This is proven through the closed-graph property of the relation linking first-period allocations to support prices that can be rationalized by expectations of state-contingent, second-period prices corresponding to some temporary equilibrium for the given first-period allocation.

Publication Name: The Journal of Mathematical Economics

Subject: Mathematics

ISSN: 0304-4068

Year: 1996

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# Stochastic equilibria on graphs

Article Abstract:

V.M. Polterovich's stochastic equilibrium model integrated the theory of optimal economic growth and equilibrium theory. Polterovich's model can be generalized by introducing uncertainty into it on the assumption that random factors rule agents' production and consumption activities. The generalized model proves an existence theorem for equilibrium and generates sensitivity theorems for equilibrium prices.

Publication Name: The Journal of Mathematical Economics

Subject: Mathematics

ISSN: 0304-4068

Year: 1995

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# Competitive equilibria without free disposal or nonsatiation

Article Abstract:

The effects of the denomination of multiple commodities in the competitive economy is analyzed. Results indicate that the failure of nonsatiation and free disposal result in a weak equilibria in the aggregate demand function of the asset market. Even under standard assumptions, competitive equilibria will tend to be weak in compliance with Walras' law of equlibirum.

Publication Name: The Journal of Mathematical Economics

Subject: Mathematics

ISSN: 0304-4068

Year: 1993

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