Are Public Banks pro-Competitive? Evidence from Concentrated Local Markets in Brazil
We measure the competitive effect of public ownership of banks in concentrated local banking markets in Brazil by extending Bresnahan and Reiss’s  framework to measure the effects of entry in concentrated markets. We use variation in market size, the number of competitors and their identity to infer how conduct is affected by the entry of a private vis-à-vis a public bank. We find that, while local markets whose structure is private bank duopoly are 100% larger than private monopolies, duopolies with one public and one private bank and private monopolies are no different with respect to market size. These results suggest that, while the presence of private banks toughens competition, public banks do not affect conduct.
|Date of creation:||Aug 2007|
|Date of revision:||Sep 2007|
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- Crump, Richard K. & Hotz, V. Joseph & Imbens, Guido W. & Mitnik, Oscar A., 2006.
"Moving the Goalposts: Addressing Limited Overlap in Estimation of Average Treatment Effects by Changing the Estimand,"
IZA Discussion Papers
2347, Institute for the Study of Labor (IZA).
- Richard K. Crump & V. Joseph Hotz & Guido W. Imbens & Oscar A. Mitnik, 2006. "Moving the Goalposts: Addressing Limited Overlap in Estimation of Average Treatment Effects by Changing the Estimand," Working Papers 0608, University of Miami, Department of Economics.
- Bresnahan, Timothy F & Reiss, Peter C, 1991.
"Entry and Competition in Concentrated Markets,"
Journal of Political Economy,
University of Chicago Press, vol. 99(5), pages 977-1009, October.
- Michael J. Mazzeo, 2002. "Product Choice and Oligopoly Market Structure," RAND Journal of Economics, The RAND Corporation, vol. 33(2), pages 221-242, Summer.
- Timothy F. Bresnahan & Peter C. Reiss, 1990. "Entry in Monopoly Market," Review of Economic Studies, Oxford University Press, vol. 57(4), pages 531-553.
- Berry, Steven T, 1992. "Estimation of a Model of Entry in the Airline Industry," Econometrica, Econometric Society, vol. 60(4), pages 889-917, July.
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