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Imperfect competition and indeterminacy of aggregate output

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  • Pengfei Wang
  • Yi Wen

Abstract

This paper shows imperfect competition can lead to indeterminacy in aggregate output in a standard DSGE model with imperfect competition. Indeterminacy arises in the model from the composition of aggregate output. In sharp contrast to the indeterminacy literature pioneered by Benhabib and Farmer [3] and Gali [19], indeterminacy in our model is global; hence it is more robust to structural parameters. In addition, sunspots in our model can be autocorrelated. The paper provides a justification for exogenous variations in desired markups, which play an important role as a source of cost-push shocks in the monetary policy literature. Our model outperforms a standard RBC model driven by technology shocks in several dimensions, including the volatility of labor market and the hump-shaped output dynamics.

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Paper provided by Federal Reserve Bank of St. Louis in its series Working Papers with number 2006-017.

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Date of creation: 2007
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Handle: RePEc:fip:fedlwp:2006-017

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Keywords: Prices ; Business cycles;

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Cited by:
  1. Makoto Nirei, 2013. "Interaction-based Foundation of Aggregate Investment Shocks," 2013 Meeting Papers 128, Society for Economic Dynamics.
  2. Wang, Vey & Lai, Chung-Hui, 2011. "Franchise fee, competition and economic growth," Economic Modelling, Elsevier, vol. 28(5), pages 2090-2099, September.
  3. Luís Aguiar-Conraria & Yi Wen, 2011. "OPEC’s oil exporting strategy and macroeconomic (in)stability," Working Papers 2011-013, Federal Reserve Bank of St. Louis.
  4. Lai, Chung-hui, 2013. "(In)determinacy, bargaining, and R&D policies in an economy with endogenous technological change," Economics Discussion Papers 2013-14, Kiel Institute for the World Economy.
  5. Zheng Liu & Pengfei Wang, 2014. "Credit Constraints and Self-Fulfilling Business Cycles," American Economic Journal: Macroeconomics, American Economic Association, vol. 6(1), pages 32-69, January.
  6. Pengfei Wang & Yi Wen, 2007. "Incomplete information and self-fulfilling prophecies," Working Papers 2007-033, Federal Reserve Bank of St. Louis.
  7. Wang, Vey & Lai, Chung-Hui, 2010. "Franchise Fee, Tax/Subsidy Policies and Economic Growth," MPRA Paper 27745, University Library of Munich, Germany.

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