We present an international trade model with multiproduct firms. Firms are heterogeneously endowed with two types of capabilities that jointly determine the trade-off within firms between managing a large portfolio of products and producing at low marginal cost. The model can explain many of the...

This volume was prepared by Inga Heiland while she was working at the Ifo Institute. It was completed in July 2016 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It comprises five chapters addressing one or more aspects of international trade and...

This paper analyzes the effect of trade liberalization on government spending in a general equilibrium model with a continuum of industries supplying tradable and nontradable goods under monopolistic competition. Trade liberalization is modeled as the opening up of product markets between two...

This paper examines how trade liberalization affects the innovation incentives of firms, and what this implies for industry productivity. For this purpose we develop a reciprocal dumping model of international trade with heterogeneous firms and endogenous R&D. Among the robust results that hold...

This paper analyzes the effect of trade liberalization on government spending in a general equilibrium model with a continuum of industries supplying tradable and nontradable goods under monopolistic competition. Trade liberalization is modeled as the opening up of product markets between two...

This paper investigates the implications for international markets of the existence of retailers/wholesalers with market power. Two main results are shown. First, in the presence of buyer power trade liberalization may lead to retail market concentration. Due to this concentration retail prices...

WTO negotiations deal predominantly with bound - besides applied - tariff rates. But, how can reductions in tariffs ceilings, i.e. tariff rates that no exporter may ever actually be confronted with, generate market access? The answer to this question relates to the effects of tariff bindings on...

This paper explores the role of country asymmetries for trade and industrial policies with heterogeneous firms. Our analysis delivers a number of novel results. First, trade policies, infrastructure policies and industrial policies which improve the business conditions in one country have...

This paper explores the role of country asymmetries for trade and industrial policies with heterogeneous firms. Our analysis delivers a number of novel results. First, trade policies, infrastructure policies and industrial policies which improve the business conditions in one country have...