In the era of rapid development in globalization and regional cooperation, all countries, especially the developing countries, face the same issue of how to integrate with the world economy. Today the following questions have become the major concern: How to evaluate the effects on trade in regional trade arrangements (RTAs) among the developing countries? What are the limitations in RTAs and their causes? What would be the way out for RTAs in the future? ASEAN trade cooperation has been chosen as a case fo...