Applied general equilibrium (AGE) models, which feature multiple countries, multiple
industries, and input–output linkages across industries, have been the dominant tool for …

We develop a general equilibrium model of trade that features “indirectly additive”
preferences and heterogeneous firms. Monopolistic competition generates markups that are …

We study unilateral trade liberalization in a model of monopolistic competition with
heterogeneous firms, endogenous wages, and non-separable and non-homothetic …

Using data from Chile, we find that more restrictive standards are associated with a
reallocation of domestic sales from small to large firms, which has allocative efficiency …

This article investigates the international spillover effects of nondiscriminatory product
regulations, for example, quality standards, in a multicountry general equilibrium framework …

How should multilateral trade policy be designed in a world in which countries differ in terms
of market access and technology, and firms with market power differ in terms of productivity …

Modern trade models attribute the dispersion of international prices to physical and man-
made barriers to trade, to the pricing-to-market by heterogeneous producers and to …

We incorporate consumption indivisibilities into the Krugman (1980) model and show that an
importer's per capita income becomes a primary determinant of “export zeros”. Households …

This paper studies how Chinese exporters managed the recent US tariff hikes. Contrary to
the conventional wisdom of horizontal trade diversion, China did not divert more of its …

In a setting with firms that charge variable markups, this paper finds that firm heterogeneity
has welfare implications that result exclusively from the differential markup adjustment to …