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The Impact of the Andean Trade Preference Act Twelfth ... - USITC

The Impact of the Andean Trade Preference Act Twelfth ... - USITC

The Impact of the Andean Trade Preference Act Twelfth ... - USITC

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apparel production in <strong>the</strong> United States, and <strong>the</strong> effect <strong>of</strong> ATPA tariff preferences can beadded to <strong>the</strong> (negative) displacement effects for that industry.Given equations (1)N through (3)N, one can derive <strong>the</strong> following equations for calculating <strong>the</strong>changes in consumer surplus, tariff revenue, and domestic output:Consumer surplus (where k is a constant)area <strong>of</strong>P aε aatrapezoid P a abP a N = I kP a dP aP a N(1+ε aa )= [1/(1+ε aa )] [(1+t) - 1 ]P a NQ a N if ε aa … -1= k ln(1+t) if ε aa = -1Tariff revenue from U.S. imports from ATPA partnersarea <strong>of</strong>rectangle P a acP a N = (P a - P a N)Q aDomestic output= P a NtQ a given P a = P a N(1+t)ε aaarea <strong>of</strong>rectangle Q d NdeQ d = P d (Q d - Q d N)= tP a NQ a N(1+t) given Q a = Q a N(1+t)ε aaε da= P d Q d N [(1+t) - 1]<strong>The</strong> change in <strong>the</strong> value <strong>of</strong> U.S. cut apparel parts = uP a NQ a N[(1+tN) - 1], where u is <strong>the</strong> ratio<strong>of</strong> <strong>the</strong> value <strong>of</strong> U.S. cut apparel parts to total imports under ATPA, and tN is <strong>the</strong> ad valoremequivalent <strong>of</strong> duties paid on imports under HTS 9802.00.80 under ATPA. t is opposite insign to <strong>the</strong> displacement effect shown above. <strong>The</strong> net effect <strong>of</strong> ATPA tariff preferences ondomestic output is estimated asε aaε daε aaP d Q d N [(1+t) - 1] + uP a NQ a N[(1+tN) - 1].C-7

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