This paper seeks to determine whether it is sufficient to revise administered trade procedures to reduce endogenous protectionist tendencies of the trade policy mechanism.

Un choix ECI s'appuie encore aujourd'hui sur des analyses d'opportunites considerant l'entreprise comme une entite isolee. Or, l'EDI interesse des reseaux de "partenaires" dont certaines societes pourraient avoir des specificites communes. L'objet de notre etude est de determiner ces criteres...

In this paper, we investigate the optimal timing and location for deep geological disposal of nuclear waste. Our model is based on the real options approach to investment under uncertainty. In this context, the problem is similar to the optimal exercise policy for a perpetual American spread option.