Superneutrality, indeterminacy and endogenous growth |
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Authors: | Ming-Hon Suen Chong K Yip |
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Institution: | aDepartment of Economics, University of Rochester, Rochester, NY 14627, USA;bDepartment of Economics, Chinese University of Hong Kong, Shatin, Hong Kong |
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Abstract: | In this paper, we explore the possibility of having money as a source of indeterminacy in endogenous growth models. We adopt the simple Ak model of endogenous growth to be the main analytical vehicle whose balanced growth paths do not display local indeterminacy. Money is introduced via either a general cash-in-advance (CIA) constraint or a pecuniary transactions costs (PTC) technology. It is shown that local indeterminacy of the dynamics is due to the presence of an intertemporal substitution effect on capital accumulation that works against and dominates the conventional inflation effect of Tobin 1965, Money and economical growth. Econometrica 33(4), Part 2, 671]. If money is growth-rate superneutral, then the intertemporal substitution effect is absent so that local indeterminacy cannot occur. Finally, the strength of the intertemporal substitution effect depends positively on the intertemporal elasticity of substitution in consumption. |
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Keywords: | Growth-rate superneutrality Indeterminacy Intertemporal substitution |
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