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FIROUZ GAHVARI 《Journal of Money, Credit and Banking》2012,44(5):787-823
This paper introduces money into an overlapping‐generations model with endogenous growth. The main message of the paper is that as long as the modified golden rule is attained, the Friedman rule is optimal. The result holds regardless of the ability of the government to internalize the externality and control the level of human capital. Other results include: (i) violation of the Friedman rule for a different second‐best environment wherein human capital accumulation is controlled but not physical capital accumulation and (ii) existence of a negative relationship between money growth rate and the economy’s endogenous growth rate. 相似文献
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FIROUZ GAHVARI 《Journal of Public Economic Theory》2007,9(1):1-27
This paper studies the problem of optimal taxation of commodities when consumption is a time‐consuming activity. This is done under two distinct preference separability assumptions: between goods and labor supply, and between goods and leisure. It argues that with the labor separability, the traditional uniform taxation results of optimal tax theory continue to hold. With leisure separability, on the other hand, consumption time is a major ingredient of optimal tax rates. However, the relationship between consumption time and optimal tax rates depends crucially on the representation of the economy. In representative consumer economies, time differences determine the pattern of optimal tax rates so that goods whose consumption take more time are subjected to higher tax rates. When individuals have different earning abilities, redistributive, incentive, and efficiency considerations also come into play resulting in a complex relationship. The paper derives formulas for optimal commodity taxes in this case on the basis of three different tax structures: linear commodity taxes in combination with linear and nonlinear income taxes, and nonlinear commodity taxes in combination with nonlinear income taxes. 相似文献
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FIROUZ GAHVARI 《Journal of Public Economic Theory》2014,16(6):917-935
This paper considers a Mirrleesian optimal income tax model wherein labor inputs are not perfect substitutes and their wages are determined endogenously. It shows: (i) If skilled and unskilled workers are Edgeworth complements, skilled workers will necessarily face a marginal subsidy and unskilled workers a marginal tax on their incomes (these may not be the case if skilled and unskilled workers are Edgeworth substitutes); and (ii) redistributive concerns call for taxation of those inputs whose elasticity of complementarity with skilled labor is larger than with unskilled labor, and subsidization of those whose elasticity of complementarity is smaller. 相似文献
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