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Modelling Behavioral Heterogeneity

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  • Gael GIRAUD
  • Isabelle MARET

Abstract

If one wants to get rid of the paradoxes pointed out by Hildenbrand (1998) and B. de Villemeur (1999), one needs to reformulate Grandmont's (1992) notion of behavioral heterogeneity such as to get exact insensitivity of the aggregate budget share function with respect to changes in prices and income, instead of a mere approximate insensitivity. Here, we propose a non parametric set-up such that, if the population is distributed according to some ``uniform'' measure, the aggregate budget share function is constant. This exact insensitivity is not explained by any insensitivity property at the micro-economic level, but rather by a perfect ``balancing effect''. We then discuss the economic interpretation of some concrete examples illustrating our theory.

Suggested Citation

  • Gael GIRAUD & Isabelle MARET, 2002. "Modelling Behavioral Heterogeneity," Working Papers of BETA 2002-22, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    • Handle: RePEc:ulp:sbbeta:2002-22
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    References listed on IDEAS

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    3. Giovanni Dosi & Patrick Llerena & Mauro Sylos Labini, 2005. "Science-Technology-Industry Links and the ”European Paradox”: Some Notes on the Dynamics of Scientific and Technological Research in Europe," LEM Papers Series 2005/02, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    4. Stéphane Betrand & Kene Boun My & Alban Verchère, 2005. "Faire émerger la coopération internationale : une approche expérimentale comparée du bilatéralisme et du multilatéralisme," Working Papers of BETA 2005-13, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
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    More about this item

    Keywords

    Aggregation of demand; behavioral heterogeneity; large economy; Law of Demand; Insensitivity of market budget shares.;
    All these keywords.

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D30 - Microeconomics - - Distribution - - - General
    • D41 - Microeconomics - - Market Structure, Pricing, and Design - - - Perfect Competition
    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • E1 - Macroeconomics and Monetary Economics - - General Aggregative Models

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