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dc.contributor.authorBroda, Christianen
dc.contributor.authorWeinstein, Daviden
dc.date.accessioned2012-08-17T14:25:19Z-
dc.date.available2012-08-17T14:25:19Z-
dc.date.issued2004-
dc.identifier.urihttp://hdl.handle.net/10419/60555-
dc.description.abstractSince the seminal work of Krugman, product variety has played a central role in models of trade and growth. In spite of the general use of love-of-variety models, there has been no systematic study of how the import of new varieties has contributed to national welfare gains in the United States. In this paper, we show that the unmeasured growth in product variety from U.S. imports has been an important source of gains from trade over the last three decades (1972-2001). Using extremely disaggregated data, we show that the number of imported product varieties has increased by a factor of four. We also estimate the elasticities of substitution for each available category at the same level of aggregation and describe their behavior across time and SITC-5 industries. Using these estimates, we develop an exact price index and find that the upward bias in the conventional import price index is approximately 1.2 percent per year. The magnitude of this bias suggests that the welfare gains from variety growth in imports alone are 2.8 percent of GDP.en
dc.language.isoengen
dc.publisher|aFederal Reserve Bank of New York |cNew York, NYen
dc.relation.ispartofseries|aStaff Report |x180en
dc.subject.jelF0en
dc.subject.jelF1en
dc.subject.jelF4en
dc.subject.ddc330en
dc.subject.stwProduktdifferenzierungen
dc.subject.stwAußenwirtschaftstheorieen
dc.subject.stwWohlfahrtsanalyseen
dc.subject.stwPreisindexen
dc.subject.stwSubstitutionselastizitäten
dc.subject.stwTheorieen
dc.titleGlobalization and the gains from variety-
dc.typeWorking Paperen
dc.identifier.ppn389504254en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen

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