Additive versus multiplicative trade costs and the gains from trade liberalizations

被引:13
|
作者
Sorensen, Allan [1 ]
机构
[1] Aarhus Univ, Dept Econ & Business, DK-8000 Aarhus C, Denmark
关键词
F12; F15; AD-VALOREM; TAXES; QUALITY; FIRMS;
D O I
10.1111/caje.12101
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper addresses welfare effects from trade liberalization in a Melitz () heterogeneous-firms trade model including the empirically important per-unit (i.e., additive) trade costs in addition to the conventional iceberg (i.e., multiplicative) and fixed trade costs. The novel contribution of the paper is the result that the welfare gain for a given increase in trade openness is higher for reductions in per-unit (additive) trade costs than for reductions in iceberg (multiplicative) trade costs. The ranking derives from differences in intra-industry reallocations and, in particular, from dissimilar impacts on the number of exporters (i.e., the extensive margin of trade). Resume Couts du commerce additifs versus multiplicatifs et les gains des liberalisations du commerce. Ce texte examine les effets de bien-etre attribuables a la liberalisation du commerce dans un modele de commerce de firmes heterogenes a la Melitz (2003) en tenant compte a la fois des couts de commerce unitaires (c.-a-d., additifs) empiriques importants, en plus des couts de type iceberg (c.-a-d., multiplicatifs, en pourcentage de la valeur) et des couts fixes du commerce. La contribution inedite de ce texte est qu'il montre que le gain de bien-etre pour un accroissement donne de l'ouverture du commerce est plus grand pour les reductions dans les couts unitaires (additifs) du commerce que pour les reductions dans les couts de type iceberg (multiplicatifs). Ceci est attribuable aux reallocations intra-industrie et en particulier aux impacts dissemblables sur le nombre des exportateurs (c.-a-d., la marge extensive du commerce).
引用
收藏
页码:1032 / 1046
页数:15
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