Coexistence of small and dominant firms in Bertrand competition: Judo economics in the lab
The theory of "Judo Economics" describes an optimal entry strategy for small firms. Using a capacity limitation, small firms force dominant market incumbents to accommodate. In this article, we study the power of Judo economics as an entry strategy in different market environments. We find experimental evidence supporting the theory in the original setting with a monopolistic, dominant market incumbent. When we introduce a cost advantage for small firms, profits go down. This can be explained by incumbents responding aggressive towards large entrants. For settings with multiple market incumbents, results are reversed. There, a cost advantage strengthens small firms and pricing below the incumbents' marginal cost provides the unique entry strategy.
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- Duffy, John & Hopkins, Ed, 2005.
"Learning, information, and sorting in market entry games: theory and evidence,"
Games and Economic Behavior,
Elsevier, vol. 51(1), pages 31-62, April.
- John Duffy & Ed Hopkins, 2004. "Learning, Information and Sorting in Market Entry Games: Theory and Evidence," ESE Discussion Papers 78, Edinburgh School of Economics, University of Edinburgh.
- John Duffy & Ed Hopkins, 2010. "Learning, Information and Sorting in Market Entry Games: Theory and Evidence," Levine's Working Paper Archive 506439000000000355, David K. Levine.
- García Díaz, Antón & Hernán González, Roberto & Kujal, Praveen, 2009. "List pricing and discounting in a Bertrand-Edgeworth duopoly," International Journal of Industrial Organization, Elsevier, vol. 27(6), pages 719-727, November.
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