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Output, Investment, and Growth in a World of Putty-Clay: Working Paper 2007-07


  • Mark Lasky


This paper presents a putty-clay model of capital that proceeds from profit maximization to an analytic solution for aggregate investment that fits the data well. The key innovation is a production function in which a geometric average of the capital-labor ratio embedded in each unit of capital replaces the aggregate capital-labor ratio in the standard Cobb-Douglas production function. The accelerator in this model depends on the growth rate of output in excess of labor productivity at full employment, rather than on the growth rate of output alone as in previous work. Growth of labor hours

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  • Mark Lasky, 2007. "Output, Investment, and Growth in a World of Putty-Clay: Working Paper 2007-07," Working Papers 18701, Congressional Budget Office.
  • Handle: RePEc:cbo:wpaper:18701

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    1. Chirinko, Robert S, 1993. "Business Fixed Investment Spending: Modeling Strategies, Empirical Results, and Policy Implications," Journal of Economic Literature, American Economic Association, vol. 31(4), pages 1875-1911, December.
    2. Tevlin, Stacey & Whelan, Karl, 2003. " Explaining the Investment Boom of the 1990s," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 35(1), pages 1-22, February.
    3. Robert M. Solow, 1956. "A Contribution to the Theory of Economic Growth," The Quarterly Journal of Economics, Oxford University Press, vol. 70(1), pages 65-94.
    4. Kydland, Finn E & Prescott, Edward C, 1982. "Time to Build and Aggregate Fluctuations," Econometrica, Econometric Society, vol. 50(6), pages 1345-1370, November.
    5. Tobin, James, 1969. "A General Equilibrium Approach to Monetary Theory," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 1(1), pages 15-29, February.
    6. John Haltiwanger & Russell Cooper & Laura Power, 1999. "Machine Replacement and the Business Cycle: Lumps and Bumps," American Economic Review, American Economic Association, vol. 89(4), pages 921-946, September.
    7. Robert M. Solow, 1962. "Substitution and Fixed Proportions in the Theory of Capital," Review of Economic Studies, Oxford University Press, vol. 29(3), pages 207-218.
    8. R. M. Solow & J. Tobin & C. C. von Weizs├Ącker & M. Yaari, 1966. "Neoclassical Growth with Fixed Factor Proportions," Review of Economic Studies, Oxford University Press, vol. 33(2), pages 79-115.
    9. Ando, Albert K, et al, 1974. "On the Role of Expectations of Price and Technological Change in an Investment Function," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 15(2), pages 384-414, June.
    10. Steven N. Kaplan & Luigi Zingales, 1997. "Do Investment-Cash Flow Sensitivities Provide Useful Measures of Financing Constraints?," The Quarterly Journal of Economics, Oxford University Press, vol. 112(1), pages 169-215.
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