01384nam a2200289 i 4500991003342379707536990317s1998 xxu b 000 0 eng db12413604-39ule_instISUFI - Sett. Diritti e Politiche Euromediterraneeita382Helpman, Elhanan128673The structure of foreign trade /Elhanan HelpmanCambridge, MA :National Bureau of Economic Research,c199840 p. ;29 cmNBER working paper series ;working paper 6752"Greatly extended and elaborated version of the Bernhard-Harms Prize lecture, delivered at the Kiel Institute for World Economics in June 1998"--P. 1."October 1998."Includes bibliographical references (p. 36-40).Commercio internazioanleModelli econometriciWorking paper series (National Bureau of Economic Research) ;working paper no. 6752.http://www.nber.org/papers/w6752Access online version (Acrobat reader required).b1241360412-10-1213-11-03991003342379707536LE029 382 HEL01.0112029000004823le029pE15.00-no 00000.i1296504213-11-03Structure of foreign trade167006UNISALENTOle02913-11-03ma -engxxu41