This paper proposes a new kind of asymmetric GARCh where the conditional variance obeys two different regimes with a smooth transition function. In one formulation, the conditional variance reacts differently to negative and positive shocks while in a second formulation, small and big shocks...

In an open economy, outside money in positive supply does not eliminate the real indeterminacy which arises under uncertainty and incomplete asset markets. If money supply is subject to shocks or is not perfectly credible in all countries, the level of a fixed exchange rate matters. Analogous...

We consider the effects of export restraints on price competition in the Hotelling model of horizontal product differentiation. We characterise the Nash equilibrium for all possible values of the quota and compare our results with those of Krishna. We show that a foreign producer would choose a...

Proliferation is a strategic behavior which follows various logics: the wish for pre-emption is one of these but does not stand alone. Far from it. However, the literature associates almost systematically the question of proliferation to that of pre-emption, in such a way that the interest in...

We consider the problem of bargaining over the disclosure of interim research knowledge, between two participants in a R & D race or contest, for an ultimate, patentable invention. Licensing fee schedules, as fuctions of the "amount of knowledge" disclosed by the leading to the lagging agent,...