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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.

Suggested Citation

  • Pengfei Wang & Yi Wen, 2007. "Imperfect competition and indeterminacy of aggregate output," Working Papers 2006-017, Federal Reserve Bank of St. Louis.
  • Handle: RePEc:fip:fedlwp:2006-017
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    References listed on IDEAS

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    Cited by:

    1. 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.
    2. Wang, Vey & Lai, Chung-Hui, 2010. "Franchise Fee, Tax/Subsidy Policies and Economic Growth," MPRA Paper 27745, University Library of Munich, Germany.
    3. repec:eee:moneco:v:94:y:2018:i:c:p:114-130 is not listed on IDEAS
    4. Nirei, Makoto, 2013. "Interaction-based Foundation of Aggregate Investment Shocks," IIR Working Paper 13-04, Institute of Innovation Research, Hitotsubashi University.
    5. Aguiar-Conraria, Luís & Wen, Yi, 2012. "OPEC's oil exporting strategy and macroeconomic (in)stability," Energy Economics, Elsevier, vol. 34(1), pages 132-136.
    6. Pengfei Wang & Yi Wen, 2007. "Incomplete information and self-fulfilling prophecies," Working Papers 2007-033, Federal Reserve Bank of St. Louis.
    7. 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 (IfW).
    8. Benhabib, Jess & Dong, Feng & Wang, Pengfei, 2018. "Adverse selection and self-fulfilling business cycles," Journal of Monetary Economics, Elsevier, vol. 94(C), pages 114-130.
    9. Wang, Vey & Lai, Chung-Hui, 2011. "Franchise fee, competition and economic growth," Economic Modelling, Elsevier, vol. 28(5), pages 2090-2099, September.

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    Keywords

    Prices ; Business cycles;

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