This paper advances a tractable model designed to understand investment irreversibility in general equilibrium. The tractability of the model allows analytical results which explain the contrast, emphasized in the extant literature (e.g., Coleman [1997]), between the consequences of irreversibility for individual firms and the consequences of irreversibility for the whole economy. In general equilibrium, irreversibility affects both the wealth of consumers and the return on assets. In the model explored, as long as the inter-temporal elasticity of substitution is realistically low (less than one), investment irreversibility not only prevents capital destruction, but it also induces capital creation. Furthermore, under certain conditions, irreversibility raises the risk premium by increasing the variability of both consumption and the market portfolio.
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Paper provided by University of Toronto, Department of Economics in its series Working Papers with number
faig-98-01.
Find related papers by JEL classification: E22 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Capital; Investment; Capacity G12 - Financial Economics - - General Financial Markets - - - Asset Pricing E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
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