Using the traditional model of voluntary public good provision, it is shown that an expansion of group size exacerbates free riding tendencies as long as private consumption and the public good are strictly normal and weak gross substitutes. This result generalizes a previous Cobb-Douglas...

This paper investigates the welfare effects of unilateral or multilateral technological progress in a world with global public goods. We focus on the consumption relation between the private and the public good, and then show that technological progress may be“self-centered” (benefit oneself...

This Paper explores the theoretical relationship between tax relief for private giving and locational equilibria. Tax relief for giving may receive political support at the local level because of its distributional effects; however, through its effects on public provision choices, such relief...

We develop a two-country model in which each country contributes noncooperatively to the global environment by improving its local environment. We introduce an index of environmental awareness that measures the extent to which a country is aware of the global environment. Then we demonstrate...