Arrau, Patricio Intertemporal Substitution, Risk Aversion, and Private Savings in Mexico by Patricio Arrau and Sweder van Wijnbergen - Washington, D.C. IBRD 1991 - 28p. - Working Papers WPS 682 . Subjects--Topical Terms: Consumption (Economics) --Mexico --Econometric modelsSaving and investment --Mexico --Econometric models