Optimal growth and cycles in overlapping generations models |
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Authors: | Philippe Michel Alain Venditti |
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Affiliation: | (1) I.U.F., L.E.Q.A.M.-G.R.E.Q.A.M., Université de la Méditerranée, F-13002 Marseille, France;(2) G.R.E.Q.E.-G.R.E.Q.A.M., C.N.R.S., F-13002 Marseille, France |
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Abstract: | Summary This paper investigates the dynamical properties of optimal paths in one-sector overlapping generations models without assuming that the utility function of the representative agent is separable. When the utility function is separable, the optimal growth paths monotonically converges toward the modified golden rule steady state. In the non-separable case, we show that the optimal growth path may be oscillating and optimal two-period cycles may exist. Applying these results to the model with altruism, we show that the condition of operative bequest is fully compatible with endogeneous fluctuations provided that the discount factor is close enough to one. All our results are illustrated using Cobb-Douglas utility and production functions.We thank C. Blackorby, J. Blot, P. Cartigny and one anonymous referee for helpful comments and suggestions which generally improved the exposition of the paper. We would also like to thank the participants of the Population and demography session of the European Economic Association 10th Annual Congress (Prague, The Czech Republic, September 1–4, 1995). |
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Keywords: | D90 |
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