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Market Power in Outputs and Inputs: An Empirical Application to Banking

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Author Info
Robert M. Adams
Lars-Hendrik Röller
Robin C. Sickles

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Abstract

This paper provides evidence on the empirical separability of input and output market imperfections. We specify a model of banking competition and simultaneously estimate bank conduct in output (loan) and input (deposit) markets. Our results suggest that firms display some degree of noncompetitive behavior in both the loan and the deposit markets. Moreover, we find that the input side and the output side are empirically separable, that is the measurement of market power on one side of the market is not affected by assuming that the other side of the market is perfectly competitive. Our results suggest that empirical studies of market power that concentrate on either the input side or the output side, are not subject to significant misspecification error.

ZUSAMMENFASSUNG - (Marktmacht auf Input- und Outputmärkten: Eine Empirische Anwendung auf den Bankensektor)
Der Aufsatz untersucht den Zusammenhang von Unvollkommenheiten auf Input- und auf Outputmärkten. Im Rahmen eines Wettbewerbsmodells für den Bankensektor wird die Wechselwirkung zwischen Outputmarkt, d.h. bei der Kreditvergabe, und Inputmarkt (Geldanlage) empirisch untersucht.

Die Ergebnisse zeigen, dass Banken auf beiden Seiten des Marktes eine gewisse Marktmacht ausüben können. Allerdings ist die Wechselwirkung begrenzt, sodass eine separate Betrachtungsweise von Input- und Outputmärkten möglich ist. Dies bedeutet wiederum, dass empirische Untersuchungen, die jeweils nur eine Seite des Marktes analysieren, keinen signifikanten Verzerrungen unterliegen.

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Publisher Info
Paper provided by Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG) in its series CIG Working Papers with number FS IV 02-33.

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Length: 34 pages
Date of creation: Dec 2002
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Handle: RePEc:wzb:wzebiv:fsiv02-33

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Related research
Keywords: Measuring Market Power; Banking;

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Find related papers by JEL classification:
G2 - Financial Economics - - Financial Institutions and Services
L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
C3 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables

References listed on IDEAS
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.:

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  4. Jalal D. Akhavein & Allen N. Berger & David B. Humphrey, 1996. "The Effects of Megamergers on Efficiency and Prices: Evidence from a Bank Profit Function," Center for Financial Institutions Working Papers 96-03, Wharton School Center for Financial Institutions, University of Pennsylvania.
    Other versions:
  5. Allen N. Berger & Timothy H. Hannan, 1987. "The price-concentration relationship in banking," Research Papers in Banking and Financial Economics 100, Board of Governors of the Federal Reserve System (U.S.).
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  6. Bresnahan, Timothy F., 1989. "Empirical studies of industries with market power," Handbook of Industrial Organization, in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 2, chapter 17, pages 1011-1057 Elsevier. [Downloadable!] (restricted)
  7. Shaffer, Sherrill, 1993. "A Test of Competition in Canadian Banking," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 25(1), pages 49-61, February. [Downloadable!] (restricted)
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  8. Molyneux, Philip & Thornton, John & Michael Llyod-Williams, D., 1996. "Competition and market contestability in Japanese commercial banking," Journal of Economics and Business, Elsevier, vol. 48(1), pages 33-45, February. [Downloadable!] (restricted)
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    Other versions:
  16. Santomero, Anthony M, 1984. "Modeling the Banking Firm: A Survey," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 16(4), pages 576-602, November. [Downloadable!] (restricted)
  17. Myron L. Kwast & Martha Starr-McCluer & John D. Wolken, 1997. "Market definition and the analysis of antitrust in banking," Finance and Economics Discussion Series 1997-52, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
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  22. Allen N. Berger & Timothy H. Hannan, 1998. "The Efficiency Cost Of Market Power In The Banking Industry: A Test Of The "Quiet Life" And Related Hypotheses," The Review of Economics and Statistics, MIT Press, vol. 80(3), pages 454-465, August. [Downloadable!] (restricted)
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  23. Hannan, Timothy H & Berger, Allen N, 1991. "The Rigidity of Prices: Evidence from the Banking Industry," American Economic Review, American Economic Association, vol. 81(4), pages 938-45, September. [Downloadable!] (restricted)
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  25. Shaffer, Sherrill & DiSalvo, James, 1994. "Conduct in a banking duopoly," Journal of Banking & Finance, Elsevier, vol. 18(6), pages 1063-1082, December. [Downloadable!] (restricted)
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  26. Neven, Damien & Roller, Lars-Hendrik, 1999. "An aggregate structural model of competition in the European banking industry," International Journal of Industrial Organization, Elsevier, vol. 17(7), pages 1059-1074, October. [Downloadable!] (restricted)
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  28. Allen N. Berger & Timothy H. Hannan, 1993. "Using efficiency measures to distinguish among alternative explanations of the structure-performance relationship in banking," Finance and Economics Discussion Series 93-18, Board of Governors of the Federal Reserve System (U.S.).
  29. Sherrill Shaffer, 1992. "Structure, conduct, performance, and welfare," Working Papers 92-13, Federal Reserve Bank of Philadelphia.
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  31. Prager, Robin A & Hannan, Timothy H, 1998. "Do Substantial Horizontal Mergers Generate Significant Price Effects? Evidence from the Banking Industry," Journal of Industrial Economics, Blackwell Publishing, vol. 46(4), pages 433-52, December. [Downloadable!] (restricted)
Full references

Cited by:
(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. Juan Fernández de Guevara & Joaquín Maudos & Francisco Pérez, 2005. "Market Power in European Banking Sectors," Journal of Financial Services Research, Springer, vol. 27(2), pages 109-137, April. [Downloadable!] (restricted)
    Other versions:
  2. Elizabeth K. Kiser, 2004. "Modeling the whole firm: the effect of multiple inputs and financial intermediation on bank deposit rates," Finance and Economics Discussion Series 2004-07, Board of Governors of the Federal Reserve System (U.S.). [Downloadable!]
  3. Molnár, József, 2008. "Market power and merger simulation in retail banking," Research Discussion Papers 4/2008, Bank of Finland. [Downloadable!]
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