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Exhuming Q: Market Power vs. Capital Market Imperfections

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Author Info
Russell Cooper (Boston University)
Joao Ejarque (University of Copenhagen)

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Abstract

Evidence of the statistical significance of profits in Q regressions remains one of the principal findings in the empirical investment literature. This result is taken to support the view that capital market imperfections are an important element for understanding investment. This paper challenges that conclusion. We argue that allowing the profit function at the firm level to be strictly concave, reflecting, for example, market power, is sufficent to replicate the Q theory based regression results in which profits are a significant factor influencing investment. To be clear, our ability to replicate the existing results does not require the specification of any capital market imperfections. Thus the friction that explains the statistical significance of profits could be market power by sellers rather than capital market imperfections.

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Paper provided by Econometric Society in its series Econometric Society World Congress 2000 Contributed Papers with number 0528.

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Date of creation: 01 Aug 2000
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Handle: RePEc:ecm:wc2000:0528

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  5. Jerome Adda & Russell Cooper, 1997. "Balladurette and Juppette: A Discrete Analysis of Scrapping Subsidies," Papers 0076, Boston University - Industry Studies Programme.
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  20. Jason G. Cummins & Kevin A. Hassett & Stephen D. Oliner, 1999. "Investment behavior, observable expectations, and internal funds," Finance and Economics Discussion Series 1999-27, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
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  21. Russell W. Cooper & John C. Haltiwanger, 2000. "On the Nature of Capital Adjustment Costs," NBER Working Papers 7925, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  22. Russell Cooper & John Haltiwanger & Laura Power, 1999. "Machine Replacement and the Business Cycle: Lumps and Bumps," American Economic Review, American Economic Association, vol. 89(4), pages 921-946, September. [Downloadable!] (restricted)
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  23. Ricardo J. Caballero & Eduardo M. R. A. Engel & John C. Haltiwanger, 1995. "Plant-Level Adjustment and Aggregate Investment Dynamics," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 26(1995-2), pages 1-54. [Downloadable!]
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(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Nihal Bayraktar & Plutarchos Sakellaris & Philip Vermeulen, 2005. "Real versus financial frictions to capital investment," Working Paper Series 566, European Central Bank. [Downloadable!]
  2. Steve Bond & Alexander Klemm & Rain Newton-Smith & Murtaza Syed & Gertjan Vlieghe, 2004. "The roles of expected profitability, Tobin's Q and cash flow in econometric models of company investment," IFS Working Papers W04/12, Institute for Fiscal Studies. [Downloadable!]
    Other versions:
  3. Simon Gilchrist & Jae W. Sim, 2007. "Investment During The Korean Financial Crisis: A Structural Econometric Approach," Boston University - Department of Economics - Working Papers Series WP2007-001, Boston University - Department of Economics. [Downloadable!]
  4. Russell W. Cooper & John C. Haltiwanger, 2000. "On the Nature of Capital Adjustment Costs," NBER Working Papers 7925, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  5. Jason G. Cummings & Kevin A. Hassett & Stephen D. Oliner, 2006. "Investment Behavior, Observable Expectations, and Internal Funds," American Economic Review, American Economic Association, vol. 96(3), pages 796-810, June.
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  6. Bo Becker & Jagadeesh Sivadasan, 2006. "The effect of financial development on the investment-cash flow relationship - cross-country evidence from Europe," Working Paper Series 689, European Central Bank. [Downloadable!]
  7. Aubhik Khan & Julia Thomas, 2004. "Idiosyncratic shocks and the role of nonconvexities in plant and aggregate investment dynamics," Staff Report 352, Federal Reserve Bank of Minneapolis. [Downloadable!]
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  8. Guido Lorenzoni & Karl Walentin, 2007. "Financial Frictions, Investment and Tobin's q," NBER Working Papers 13092, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  9. Russell Cooper & Joao Ejarque, 2003. "Financial Frictions and Investment: Requiem in Q," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 6(4), pages 710-728, October. [Downloadable!] (restricted)
  10. Thomas STEINBERGER, 2002. "Imperfect Financial Markets and Investment Dynamics," Economics Working Papers ECO2002/04, European University Institute. [Downloadable!]
  11. Schündeln, Matthias, 2005. "Modeling Firm Dynamics to Identify the Cost of Financing Constraints in Ghanaian Manufacturing," Proceedings of the German Development Economics Conference, Kiel 2005 29, Verein für Socialpolitik, Research Committee Development Economics. [Downloadable!]
  12. Jordan Rappaport, 2002. "A bottleneck capital model of development," Research Working Paper RWP 01-10, Federal Reserve Bank of Kansas City. [Downloadable!]
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