Strategic Complements , Substitutes and Ambiguity : The Implications for Public Goods 1 J ̧ rgen


We examine the e§ect of ambiguity in symmetric games with aggregate external-<lb>ities. We Önd that ambiguity will increase/decrease the equilibrium strategy in games with<lb>strategic complements/substitutes and positive externalities. These e§ects are reversed in<lb>games with negative externalities. We consider some economic applications of these results… (More)

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