Behar, Alberto; Nelson, Benjamin D. - 2009
multilateral trade barriers, or multilateral resistance, that determine bilateral trade
�ows.
In the presence of �rm heterogeneity …�ects typically leads one to overstate the importance of changes in trade barriers on
bilateral trade �ows.
External trade barriers …�ect of observable trade barriers on country-level trade �ows. This di�erence,
rather than the �rm-level bias in the opposite …