The B.E. Journal of Economic Analysis & Policy
Editor-in-Chief: Ludwig, Sandra / Schmitz, Hendrik
Ed. by Barigozzi, Francesca / Brunner, Johann / Fleck, Robert / Jürges, Hendrik / Mastrobuoni, Giovanni / Mendola, Mariapia / Requate, Till / de Vries, Frans / Wenzel, Tobias
IMPACT FACTOR 2018: 0.520
5-year IMPACT FACTOR: 0.556
CiteScore 2018: 0.54
SCImago Journal Rank (SJR) 2018: 0.356
Source Normalized Impact per Paper (SNIP) 2018: 0.394
Trade and Variety in a Model of Endogenous Product Differentiation
This paper sets up a model of endogenous product differentiation to analyze the variety effects of international trade. In our model multi-product firms decide not only about the number of varieties they will supply but also about the degree of horizontal differentiation between these varieties. Firms can raise the degree of differentiation by investing variety-specific fixed costs. In this setting, we analyze how trade integration, i.e. an increase in market size, influences the number of firms in the market, the number of product varieties supplied by each firm, and the degree of differentiation between these varieties.
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