This paper shows that technology licensing may be socially undesirable. Possibility of licensing increases the incentive for entry and thus, increases competition. If technology of the incumbent and entrant is sufficiently close, licensing-induced entry reduces social welfare. Otherwise,...

We extend the simple model of voluntary public good provision toallow for two or more public goods, and explore the new possibilitiesthat arise in this setting. We show that, when there are many publicgoods, voluntary contrib...

Noncooperative games in which each player’s payo¤ function depends on anadditively separable function of every player’s choice variable may be transformedinto an aggregative game, which may be analysed using the conceptof ‘share functions’. The resulting approach avoids the...