BarroÕs (1990) model of endogenous growth implies that economic growth will initially rise with an increase in taxes directed toward ÒproductiveÓ expenditures (e.g., education, highways, and streets), but will subsequently decline. Previous tests of the model, including Barro (1989,...

In this paper we propose a method to associate a coalitional interval game with each strategic game. The method is based on the lower and upper values of finite two-person zero-sum games. We axiomatically characterize this new method. As an intermediate step, we provide some axiomatic...