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Risk aversion heterogeneity and the investment-uncertainty relationship: a closed-form formulation

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  • Gianluca Femminis

    (Department of Economics and Finance, Universita` Cattolica di Milano, Largo Gemelli 1, 20123 Milano)

Abstract

A simple dynamic general-equilibrium model of savings and investment is populated by agents with Kreps-Porteus preferences. Households are heterogeneous in their risk aversion, which explains the negative relationship between aggregate investment and aggregate volatility. Agents trade riskless assets to share the aggregate risk, so that in equilibrium a higher volatility increases the certainty-equivalent future return for low-risk-averse individuals, which hold a long position in risky assets. The certainty-equivalent return may also increase for high-risk-averse agents, who hold safe assets. In response to this rise, savings and investment decrease due to a limited willingness to substitute consumption over time

Suggested Citation

  • Gianluca Femminis, 2014. "Risk aversion heterogeneity and the investment-uncertainty relationship: a closed-form formulation," Rivista Internazionale di Scienze Sociali, Vita e Pensiero, Pubblicazioni dell'Universita' Cattolica del Sacro Cuore, vol. 122(3), pages 275-300.
    • Handle: RePEc:vep:journl:y:2014:v:122:i:3:p:275-300
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    Cited by:

    1. Gianluca Femminis, 2019. "Risk aversion heterogeneity and the investment–uncertainty relationship," Journal of Economics, Springer, vol. 127(3), pages 223-264, August.

    More about this item

    Keywords

    Aggregate investment; Volatility; Risk aversion; Heterogeneity;
    All these keywords.

    JEL classification:

    • D92 - Microeconomics - - Micro-Based Behavioral Economics - - - Intertemporal Firm Choice, Investment, Capacity, and Financing
    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity

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