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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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    Cited by:

    1. Pengfei Wang, 2012. "Understanding Expectation‐Driven Fluctuations: A Labor‐Market Approach," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 44(2‐3), pages 487-506, March.
    2. Frédéric Dufourt & Kazuo Nishimura & Alain Venditti, 2022. "Expectations, self-fulfilling prophecies and the business cycle," Working Papers hal-03923946, HAL.
    3. 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.
    4. Wang, Vey & Lai, Chung-Hui, 2010. "Franchise Fee, Tax/Subsidy Policies and Economic Growth," MPRA Paper 27745, University Library of Munich, Germany.
    5. Chu, Angus C. & Liao, Chih-Hsing & Liu, Xiangbo & Zhang, Mengbo, 2021. "Indeterminacy in a matching model of money with productive government expenditure," International Review of Economics & Finance, Elsevier, vol. 71(C), pages 497-516.
    6. Manjira Datta & Kevin Reffett & Łukasz Woźny, 2018. "Comparing recursive equilibrium in economies with dynamic complementarities and indeterminacy," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 66(3), pages 593-626, October.
    7. 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.
    8. Nirei, Makoto & 楡井, 誠, 2013. "Interaction-based Foundation of Aggregate Investment Shocks," IIR Working Paper 13-04, Institute of Innovation Research, Hitotsubashi University.
    9. Aguiar-Conraria, Luís & Wen, Yi, 2012. "OPEC's oil exporting strategy and macroeconomic (in)stability," Energy Economics, Elsevier, vol. 34(1), pages 132-136.
    10. Pengfei Wang & Yi Wen, 2007. "Incomplete information and self-fulfilling prophecies," Working Papers 2007-033, Federal Reserve Bank of St. Louis.
    11. 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 Kiel).
    12. Nirei, Makoto, 2015. "An interaction-based foundation of aggregate investment fluctuations," Theoretical Economics, Econometric Society, vol. 10(3), September.
    13. Pengfei Wang & Yi Wen, 2012. "Speculative Bubbles and Financial Crises," American Economic Journal: Macroeconomics, American Economic Association, vol. 4(3), pages 184-221, July.
    14. Yao Li & Yugang He & Renhong Wu, 2023. "Traversing the Macroeconomic Terrain: An Exploration of South Korea’s Economic Responsiveness to Cross-Border E-Commerce Production Technology Alterations in the Global Arena," Sustainability, MDPI, vol. 15(15), pages 1-20, July.
    15. Zheng Liu & Pengfei Wang, 2010. "Indeterminate credit cycles," Working Paper Series 2010-22, Federal Reserve Bank of San Francisco.
    16. 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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