As each new round of multilateral trade negotiations approaches, there is a demand for a negotiating rule that would give credit for autonomous liberalization. This Paper shows that the desirability and feasibility of such a rule depends on when it is instituted. A credit rule established at the...

The proliferation of preferential trade liberalization over the last 20 years has raised the question of whether it slows down multilateral trade liberalization. Recent theoretical and empirical evidence indicates this is the case even for unilateral preferences that developed countries provide...