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In this paper, we consider an aggregate overlapping generations model with endogenous labor, consumption in both periods of life, homothetic preferences and productive external effects coming from the average capital and labor. We show that under realistic calibrations of the parameters, in particular a large enough share of first period consumption over… (More)

We consider a two-sector economy with positive intersectoral external effects and nonincreasing social returns. We show that if the discount factor r is close to 1 then local indeterminacy may be obtained with mild market imperfections. Moreover, with additional conditions, when r is made smaller the steady state becomes totally unstable and quasi-periodic… (More)

We study the determinacy of perfect foresight equilibrium near a steady state in an overlapping generations model with production and both altruistic and non altruistic agents having distinct utility functions. The proportions of each type of consumers are exogenously given. Our main results show that when there are positive stationary bequests, some… (More)

two anonymous referees and an Associate Editor for useful comments and suggestions. Abstract: We explore the link between wealth inequality, preference heterogeneity and macroeconomic volatility in a two-sector neoclassical growth model. First we prove that, if agents have homogeneous preferences, when the absolute risk tolerance is a strictly convex… (More)

We reexamine the destabilizing role of balanced-budget fiscal policy rules based on consumption taxation. Using a one-sector model with infinitely-lived households, we consider a specification of preferences derived from Jaimovich (2008) [14] and Jaimovich and Rebelo (2009) [15] which is flexible enough to encompass varying degrees of income effect. When… (More)

We explore the link between wealth inequality and output fluctuations in a general two-sector neoclassical growth model with endogenous labor and heterogeneous agents. When agents have homogeneous CRRA preferences and individual wealth is Pareto distributed a sufficiently large rise in the Gini index typically leads to an increase in endogenous fluctuations… (More)

We consider a two-sector overlapping generations model with homothetic preferences. Under standard conditions on technologies, upon large enough values for the share of first period consumption over the wage income, we prove that dynamic efficiency and local uniqueness of the competitive equilibrium hold. On the contrary, for lower values of the share of… (More)

We analyze sunspot-driven fluctuations in the standard two-sector RBC model with moderate increasing returns to scale and generalized no-income-effect preferences à la Greenwood, Hercovitz and Huffman [13]. We provide a detailed theoretical analysis enabling us to derive relevant bifurcation loci and to characterize the steady-state local stability… (More)

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