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Optimal Monetary Policy and Firm Entry

  • V. LEWIS


This paper characterises optimal short-run monetary policy in an economy with monopolistic competition, endogenous firm entry, a cash-in-advance constraint and preset wages. Firms must make profits to cover entry costs; thus the markup on goods prices is efficient. However, a distortion results from the absence of a markup on leisure. This distortion affects the investment margin due to the labour requirement in entry. In the absence of fiscal instruments such as labour income subsidies, the optimal monetary policy under sticky wages achieves higher welfare than under flexible wages. The policy maker uses the money supply instrument to raise the real wage - the cost of leisure - above its flexible-wage level, in response to expansionary shocks. This induces a rise in labour hours and more production of goods and new firms.

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Paper provided by Ghent University, Faculty of Economics and Business Administration in its series Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium with number 09/604.

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Length: 24 pages
Date of creation: Aug 2009
Date of revision:
Handle: RePEc:rug:rugwps:09/604
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  1. Bernardino Adão & Isabel Horta Correia & Pedro Teles, 2001. "Gaps and Triangles," Working Papers w200102, Banco de Portugal, Economics and Research Department.
  2. Florin Bilbiie & Fabio Ghironi & Marc Melitz, 2008. "Monetary Policy and Business Cycles with Endogenous Entry and Product Variety," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-00622866, HAL.
  3. Chamley, Christophe, 1986. "Optimal Taxation of Capital Income in General Equilibrium with Infinite Lives," Econometrica, Econometric Society, vol. 54(3), pages 607-22, May.
  4. Isabel Correia & Juan Pablo Nicolini & Pedro Teles, 2002. "Optimal fiscal and monetary policy: equivalence results," Working Paper Series WP-02-16, Federal Reserve Bank of Chicago.
  5. Florin O. Bilbiie & Ippei Fujiwara & Fabio Ghironi, 2011. "Optimal Monetary Policy with Endogenous Entry and Product Variety," NBER Working Papers 17489, National Bureau of Economic Research, Inc.
  6. Lewis, Vivien, 2008. "Business cycle evidence on firm entry," Discussion Paper Series 1: Economic Studies 2008,08, Deutsche Bundesbank, Research Centre.
  7. 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.
  8. Andrew Levin & Christopher J. Erceg & Dale W. Henderson, 1999. "Optimal Monetary Policy with Staggered Wage and Price Contracts," Computing in Economics and Finance 1999 1151, Society for Computational Economics.
  9. V. Lewis, 2010. "Product Diversity, Strategic Interactions and Optimal Taxation," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 10/661, Ghent University, Faculty of Economics and Business Administration.
  10. Christian Broda & David E. Weinstein, 2010. "Product Creation and Destruction: Evidence and Price Implications," American Economic Review, American Economic Association, vol. 100(3), pages 691-723, June.
  11. Lewis, Vivien & Poilly, Céline, 2012. "Firm entry, markups and the monetary transmission mechanism," Journal of Monetary Economics, Elsevier, vol. 59(7), pages 670-685.
  12. Bergin, Paul R. & Corsetti, Giancarlo, 2008. "The extensive margin and monetary policy," Journal of Monetary Economics, Elsevier, vol. 55(7), pages 1222-1237, October.
  13. Aleksander Berentsen & Christopher J. Waller, 2009. "Optimal stabilization policy with endogenous firm entry," Working Papers 2009-032, Federal Reserve Bank of St. Louis.
  14. Barseghyan, Levon & DiCecio, Riccardo, 2011. "Entry costs, industry structure, and cross-country income and TFP differences," Journal of Economic Theory, Elsevier, vol. 146(5), pages 1828-1851, September.
  15. Kim, Jinill, 2004. "What determines aggregate returns to scale?," Journal of Economic Dynamics and Control, Elsevier, vol. 28(8), pages 1577-1594, June.
  16. Ireland, Peter N, 1996. "The Role of Countercyclical Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 104(4), pages 704-23, August.
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