Balistreri, Edward J.; Tarr, David G. - 2018
to global reductions in iceberg trade costs, in all the multi-sector models, the ranking of global welfare gains is … welfare rankings. id est, Melitz < Krugman < Armington. For unilateral increases in tariffs, welfare gains are typically … estimated with the Armington model, but welfare losses with monopolistic competition models. The paper constructs a multi …