Arbeitspapier

Investigating the Strategic Nature of Supply Functions in Oligopoly

We show that supply functions cannot be classified as either strategic complements or substitutes according to the twofold criterion advanced by Bulow et al. (1985). This is because while the slope of the best reply is univocally positive, this is not the case with the sign of the cross derivative of marginal profit. We first show this discrepancy in the original Klemperer and Meyer (1989) setting, and then in a linear-quadratic model of differentiated duopoly. We further confirm and strengthen our result by proving that the game in supply functions is neither supermodular nor submodular.

Language
Englisch

Bibliographic citation
Series: Quaderni - Working Paper DSE ; No. 1011

Classification
Wirtschaft
Market Structure, Pricing, and Design: Oligopoly and Other Forms of Market Imperfection
Oligopoly and Other Imperfect Markets

Event
Geistige Schöpfung
(who)
Delbono, Flavio
Lambertini, Luca
Event
Veröffentlichung
(who)
Alma Mater Studiorum - Università di Bologna, Dipartimento di Scienze Economiche (DSE)
(where)
Bologna
(when)
2015

DOI
doi:10.6092/unibo/amsacta/4283
Handle
Last update
10.03.2025, 11:44 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Delbono, Flavio
  • Lambertini, Luca
  • Alma Mater Studiorum - Università di Bologna, Dipartimento di Scienze Economiche (DSE)

Time of origin

  • 2015

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