Manchin, M.

preference country trade tariff product import value russia sector export reduction threshold table agreement russian result effect impact erosion preference erosion difference paper trade agreement origin model trade preferences market scheme world access utilisation benefit threshold value eu imports duty reduction acp countries textile clothing service africa state estimate policy 0.00 scenario russian imports barrier accession trader wto accession liberalization utilisation rate share cotonou compliance costs income regression production program increase price trade flows partner gsp preferences quota request eu preferences level tariff reduction equation african compliance removal section development trade diversion market access member states index russian economy