This paper describes the updating of the NBER trade dataset, which now provides U.S. import and export values to the …

Nations trade data, mostly derived from the export side, to fit the Canadian trade classification and in some cases to add … data not available from the export reports. In contrast, in the new NBER-UN dataset we give primacy to the trade flows … reported by the importing country, whenever they are available, assuming that these are more accurate than reports by the …

engage in trade without directly exporting products. We modify a heterogeneous firm model so that firms endogenously select … their mode of export - either directly or indirectly through an intermediary. The model predicts that intermediaries will be …

and joint ventures trade more and import more products from more source countries, but export fewer products to fewer … international trade and the importance of foreign ownership for firms' export and import decisions …

Despite the fact that importing and exporting are extremely rare firm activities, economists generally devote little …