HF1412 .H45 1985
382
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Helpman, Elhanan.
Market structure and foreign trade : increasing returns, imperfect competition, and the international economy / Elhanan Helpman and Paul R. Krugman.
— Cambridge, Mass. : MIT Press, c1985. xii, 271 p. : il. ; 24 cm.
Incluye referencias bibliográficas e índice.
ISBN 0262081504
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