“…Second, it has been noted that the explanatory variables traditionally considered in trade models may have very di¤erent impacts on the extensive and intensive margins of trade (see, e.g., Lawless, 2010, Hillberry and Hummels, 2008, and Dutt, Mihov, and Van Zandt, 2013. Third, the increase in the variety of imported goods has been associated to increased welfare in the importing country (see, e.g., Romer, 1994, Broda and Weinstein, 2006, and Ardelean and Lugovskyy, 2010. Finally, and perhaps more importantly, diversi…cation of exports has been linked to increases in productivity and more rapid growth (see, e.g., Feenstra et al, 1999, Feenstra and Kee, 2008, and Eicher and Kuenzel, 2016.…”