The Weak Weak Axiom (WWA) for the aggregate excess demand function ensures uniqueness of equilibrium in regular economies. Jerison (1999) shows that the WWA holds if the excess demand satisfies the hypothesis of Nondecreasing Dispersion of Excess Demand (NDED). This note offers a new hypothesis guaranteeing that the WWA holds and suggests a new way for obtaining supporting empirical evidence.
Brighi, Luigi e John, R.. "A Hypothesis Guaranteeing the Weak Weak Axiom" Working paper, MATERIALI DI DISCUSSIONE, Dipartimento di Economia Politica - Università di Modena e Reggio Emilia, 2005. https://doi.org/10.25431/11380_634624
A Hypothesis Guaranteeing the Weak Weak Axiom
BRIGHI, Luigi;
2005
Abstract
The Weak Weak Axiom (WWA) for the aggregate excess demand function ensures uniqueness of equilibrium in regular economies. Jerison (1999) shows that the WWA holds if the excess demand satisfies the hypothesis of Nondecreasing Dispersion of Excess Demand (NDED). This note offers a new hypothesis guaranteeing that the WWA holds and suggests a new way for obtaining supporting empirical evidence.
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