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Multipliers and Capital: What is the role of Imperfect Competition?

  • Luis F. Costa

In static general equilibrium models considering imperfectly competitive goods markets, the effectiveness of fiscal policy to stir output is shown to be greater than in the walrasian case. However, labour is the only input in these models. Here, I develop a simple intertemporal model allowing us to study the steady-state role of optimal capital stock in the fiscal policy transmission mechanism. I demonstrate the results depend strongly on the set of parameter values chosen and on the output definition. Using plausible calibrations the multiplier is larger in the walrasian case for small initial government purchases, and smaller for intermediate values.

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Paper provided by Department of Economics, University of York in its series Discussion Papers with number 99/14.

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Handle: RePEc:yor:yorken:99/14
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  1. Obstfeld, Maurice & Rogoff, Kenneth, 1995. "Exchange Rate Dynamics Redux," Journal of Political Economy, University of Chicago Press, vol. 103(3), pages 624-60, June.
  2. Torregrosa, Ramon J., 1998. "On the monotonicity of balanced budget multiplier under imperfect competition," Economics Letters, Elsevier, vol. 59(3), pages 331-335, June.
  3. N. Gregory Mankiw, 1987. "Imperfect Competition and the Keynesian Cross," NBER Working Papers 2386, National Bureau of Economic Research, Inc.
  4. Costa, Luis F, 2001. "Can Fiscal Policy Improve Welfare in a Small Dependent Economy with Feedback Effects," Manchester School, University of Manchester, vol. 69(4), pages 418-39, September.
  5. Baxter, Marianne, 1995. "International trade and business cycles," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 35, pages 1801-1864 Elsevier.
  6. Hairault, Jean-Olivier & Portier, Franck, 1993. "Money, New-Keynesian macroeconomics and the business cycle," European Economic Review, Elsevier, vol. 37(8), pages 1533-1568, December.
  7. Reinhorn, Leslie J., 1998. "Imperfect competition, the Keynesian cross, and optimal fiscal policy," Economics Letters, Elsevier, vol. 58(3), pages 331-337, March.
  8. Startz, Richard, 1989. "Monopolistic Competition as a Foundation for Keynesian Macroeconomic Models," The Quarterly Journal of Economics, MIT Press, vol. 104(4), pages 737-52, November.
  9. Dixon, Huw & Lawler, Phillip, 1996. " Imperfect Competition and the Fiscal Multiplier," Scandinavian Journal of Economics, Wiley Blackwell, vol. 98(2), pages 219-31, June.
  10. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June.
  11. Kydland, Finn E & Prescott, Edward C, 1982. "Time to Build and Aggregate Fluctuations," Econometrica, Econometric Society, vol. 50(6), pages 1345-70, November.
  12. Marianne Baxter, 1995. "International Trade and Business Cycles," NBER Working Papers 5025, National Bureau of Economic Research, Inc.
  13. Sutherland, Alan, 1996. " Financial Market Integration and Macroeconomic Volatility," Scandinavian Journal of Economics, Wiley Blackwell, vol. 98(4), pages 521-39, December.
  14. Dixon, Huw, 1987. "A Simple Model of Imperfect Competition with Walrasian Features," Oxford Economic Papers, Oxford University Press, vol. 39(1), pages 134-60, March.
  15. Blanchard, Olivier Jean & Kiyotaki, Nobuhiro, 1987. "Monopolistic Competition and the Effects of Aggregate Demand," American Economic Review, American Economic Association, vol. 77(4), pages 647-66, September.
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