Do tariffs inhibit trade flows by limiting the entry of exporting firms ('extensive margin') or by restricting the … tariffs promoted during the 1990s by the Uruguay Round multilateral trade agreement affected the trade margins of French firms …-varying tariffs as a measure of variable trade costs. Our results show that the number of firms exporting in a given sector to a given …

Market access negotiations in merchandise trade at the multilateral level cover tariffs and non-tariff measures (NTMs …). While tariffs have been substantially reduced in earlier rounds, they remain high in certain areas and further reductions …