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Productive Public Expenditure and Imperfect Competition with Endogenous Price Markup: Comment

  • Luís F. Costa
  • Nuno Palma

In a recent article Chen et al. (2005) analyse the role of government expenditure in an imperfectly competitive static model, introducing a government-expenditure externality through the production function. Our purpose in the present paper is to argue that the claim from the authors that their model generates an endogenous markup is in our view incorrect. We argue that their model does not contain an endogenous markup, but a fixed one and that their claim is based upon an incorrect interpretation of what is the marginal cost in their own model.

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File URL: http://pascal.iseg.utl.pt/~depeco/wp/wp242006.pdf
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Paper provided by ISEG - School of Economics and Management, Department of Economics, University of Lisbon in its series Working Papers Department of Economics with number 2006/24.

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Date of creation: 2006
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Handle: RePEc:ise:isegwp:wp242006
Contact details of provider: Postal: Department of Economics, ISEG - School of Economics and Management, University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
Web page: https://aquila1.iseg.ulisboa.pt/aquila/departamentos/EC

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  1. Jhy-hwa Chen & Jhy-yuan Shieh & Ching-chong Lai & Juin-jen Chang, 2005. "Productive public expenditure and imperfect competition with endogenous price markup," Oxford Economic Papers, Oxford University Press, vol. 57(3), pages 522-544, July.
  2. Robert J. Barro & Silvana Tenreyro, 2000. "Closed and Open Economy Models of Business Cycles with Marked Up and Sticky Prices," NBER Working Papers 8043, National Bureau of Economic Research, Inc.
  3. Luis Costa, 2004. "Endogenous markups and fiscal policy," Money Macro and Finance (MMF) Research Group Conference 2003 18, Money Macro and Finance Research Group.
  4. Rotemberg, Julio J. & Woodford, Michael, 1999. "The cyclical behavior of prices and costs," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 16, pages 1051-1135 Elsevier.
  5. N. Gregory Mankiw, 1987. "Imperfect Competition and the Keynesian Cross," NBER Working Papers 2386, National Bureau of Economic Research, Inc.
  6. Heijdra, Ben J & van der Ploeg, Frederick, 1996. "Keynesian Multipliers and the Cost of Public Funds under Monopolistic Competition," Economic Journal, Royal Economic Society, vol. 106(438), pages 1284-96, September.
  7. Devereux, Michael B & Head, Allen C & Lapham, Beverly J, 1996. "Monopolistic Competition, Increasing Returns, and the Effects of Government Spending," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 28(2), pages 233-54, May.
  8. Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics.
  9. 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.
  10. 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.
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