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Simple Analytics of the Government Expenditure Multiplier

Listed author(s):
  • Michael Woodford

This paper explains the key factors that determine the output multiplier of government purchases in New Keynesian models, through a series of simple examples that can be solved analytically. Sticky prices or wages allow for larger multipliers than in a neoclassical model, though the size of the multiplier depends crucially on the monetary policy response. A multiplier well in excess of one is possible when monetary policy is constrained by the zero lower bound, and in this case welfare increases if government purchases expand to partially fill the output gap that arises from the inability to lower interest rates. (JEL E12, E23, E32, E62, H20, H50)

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File URL: http://www.aeaweb.org/articles.php?doi=10.1257/mac.3.1.1
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Article provided by American Economic Association in its journal American Economic Journal: Macroeconomics.

Volume (Year): 3 (2011)
Issue (Month): 1 (January)
Pages: 1-35

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Handle: RePEc:aea:aejmac:v:3:y:2011:i:1:p:1-35
Note: DOI: 10.1257/mac.3.1.1
Contact details of provider: Web page: https://www.aeaweb.org/aej-macro
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  8. Lawrence Christiano & Martin Eichenbaum & Sergio Rebelo, 2011. "When Is the Government Spending Multiplier Large?," Journal of Political Economy, University of Chicago Press, vol. 119(1), pages 78-121.
  9. Aiyagari, S. Rao & Christiano, Lawrence J. & Eichenbaum, Martin, 1992. "The output, employment, and interest rate effects of government consumption," Journal of Monetary Economics, Elsevier, vol. 30(1), pages 73-86, October.
  10. Sheedy, Kevin D., 2010. "Intrinsic inflation persistence," Journal of Monetary Economics, Elsevier, vol. 57(8), pages 1049-1061, November.
  11. Baxter, Marianne & King, Robert G, 1993. "Fiscal Policy in General Equilibrium," American Economic Review, American Economic Association, vol. 83(3), pages 315-334, June.
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  13. N. Gregory Mankiw & Ricardo Reis, 2002. "Sticky Information versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve," The Quarterly Journal of Economics, Oxford University Press, vol. 117(4), pages 1295-1328.
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  15. Gauti B. Eggertsson & Michael Woodford, 2003. "The Zero Bound on Interest Rates and Optimal Monetary Policy," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 34(1), pages 139-235.
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  23. Rotemberg, Julio J & Woodford, Michael, 1992. "Oligopolistic Pricing and the Effects of Aggregate Demand on Economic Activity," Journal of Political Economy, University of Chicago Press, vol. 100(6), pages 1153-1207, December.
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