TY - BOOK AU - Ju,Jiandong AU - Krishna,Kala TI - Firm behavior and market access in a free trade area with rules of origin AV - HJ6617 J8F PY - 1998/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - CERTIFICATES OF ORIGIN KW - ECONOMETRIC MODELS KW - CUSTOMS UNIONS KW - ECONOMICS KW - RESEARCH ER -