Free trade agreements (FTAs) have been proliferating in Asia for more than a decade. International fragmentation of production and the resultant cross-border production networks have been growing for a much longer period. Although FTAs are not necessary for the formation of production networks,...

The rise of mega-regionals such as the Regional Comprehensive Economic Partnership (RCEP) and the Trans-Pacific Partnership (TPP) suggests that the world trade system is fragmenting to the point it appears more like a jigsaw puzzle than a spaghetti bowl. There are both regional and global jigsaw...