Risk Aversion and Planning Horizon
AbstractA number of empirical studies seem to reject the additive separability of preferences that is assumed in most theoretical models of the life cycle. We show that, when additive separability is abandoned and interactions between consumptions at different dates are taken into account, an interesting relation emerges between risk aversion and length of the planning horizon.Specifically, we show that when consumptions at different dates are specific substitutes, risk aversion increases with horizon length. This may explain the surprising empirical finding that individuals seem to increase the share of wealth held in risky assets as they become older. (JEL: D11, D91, G11) Copyright (c) 2006 by the European Economic Association.
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Bibliographic InfoPaper provided by Institut d'Économie Industrielle (IDEI), Toulouse in its series IDEI Working Papers with number 204.
Date of creation: 2003
Date of revision: Nov 2004
Publication status: Published in Journal of the European Economic Association, vol.�4, n°4, juin 2006, p.�708-734.
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Other versions of this item:
- D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
- D91 - Microeconomics - - Intertemporal Choice - - - Intertemporal Household Choice; Life Cycle Models and Saving
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
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