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| Type | Working Paper |
| Scope | Discipline-based scholarship |
| Title | Monotone comparative statics with separable objective functions |
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| Institution | University of Zurich |
| Series Name | Working paper series / Institute for Empirical Research in Economics |
| Number | No. 472 |
| ISSN | 1424-0459 |
| Date | 2010 |
| Abstract Text | The sum of a supermodular function, assumed nondecreasing in the choice variable, and of a 'concavely supermodularizable' function, assumed nonincreasing in the parameter variable, satisfies the Milgrom-Shannon (1994, Monotone comparative statics, Econometrica 62, 157-180) single crossing condition. As an application, I prove existence of a pure strategy Nash equilibrium in a Cournot duopoly with logconcave demand, affiliated types, and nondecreasing costs. |
| Official URL | http://www.econ.uzh.ch/wp.html |
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