This book is for students who are studying international economics and closely related to the industrial economics, for researchers and academicians in the field of regional economics and automotive industry, automobile suppliers, manufacturers, policymakers and other interested readers. It aims to fill the gap in research concerning regionalism and industrial economics. It is a part of the reference book for discussion on international trade theory related to the industry. It does not shy away from political issue in protecting the automotive industry in Malaysia. This book also triggers the good and ugly sides of regional trade agreements between developed and developing countries. It will argue from both politic and economic point of views. It will also explain how Rules of origin (RoO) can be treated as disadvantages for foreigners and protection to the local manufacturers.