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[null,"1.","Record Nr.",null,"UNISALENTO991003342379707536"]
[null,null,"Autore",null,"Helpman, Elhanan"]
[null,null,"Titolo",null,"The structure of foreign trade / Elhanan Helpman"]
[null,null,"Pubbl/distr/stampa",null,"Cambridge, MA : National Bureau of Economic Research, c1998"]
[null,null,"Descrizione fisica",null,"40 p. ; 29 cm"]
[null,null,"Collana",null,"Working paper series (National Bureau of Economic Research) ; working paper no. 6752"]
[{"$nulls":4},"NBER working paper series ; working paper 6752"]
[null,null,"Disciplina",null,"382"]
[null,null,"Soggetti",null,"Commercio internazioanle - Modelli econometrici"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","\"Greatly extended and elaborated version of the Bernhard-Harms Prize lecture, delivered at the Kiel Institute for World Economics in June 1998\"--P. 1."]
[{"$nulls":4},"\"October 1998.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 36-40)."]