The scope and complexity of international trading arrangements in the Middle East, as well as their spotty historical record of success, underscores the urgent need for an adequate understanding of the relative costs and benefits of participation in preferential trading arrangements and, more generally, of changes in the domestic import regimes. This paper seeks to address this problem by providing estimates of the adjustment costs associated with two broad classes of hypothetical trade policy scenarios scenarios for Syria: Participation in preferential trading arrangements, and changes in the domestic import regime.