1 institute of developing economies discussion papers are preliminary materials circulated to stimulate discussions and critical comments keywords industrial estates gms ec ecs economic corridors border zones jel classification o53 r11 this paper is partly based on the author s study in research project contributing japan cooperation case mekong sub region organized by dr m ishida for fy 2004 2005 at ide senior officer promotion department jetro takao_tsuneishi go jp no 32 regional development policy thailand its with neighboring countries takao tsuneishi july abstract has recently strengthened toward coordination domestic it widely recognized that essential preventing inflow illegal labor effectively utilizing resources through relocation production bases direction elaborating strategy addition dependency generally high report firstly thai will be made clear relation as well