Effective Rates of Protection When Domestic and Foreign Goods Are Imperfect Substitutes: The Case of Thailand 5 May 20135 May 2013tdriUncategorizedChalongphob Sussangkarn @en, Shanta Devarajan @en, Effective Rates @en, Imperfect Substitutes @en Year1986-10 AuthorShanta Devarajan, Chalongphob Sussangkarn Facebook iconfacebookTwitter icontwitterLINE iconlineFacebook iconfacebookTwitter icontwitterLINE iconline