This paper develops and analyzes a model of international trade comprising multiproduct firms that can produce a range of product varieties distinguished by quality. First, it analyses the within-firm distribution of product quality and argues that firms export decisions are sensitive to their...

This paper analyzes the generalized quality differentiation model in multi-sided markets with positive externalities, which leads to new insights into the optimal pricing structure of the firm. We find that quality differentiation for users on one side affects not only the side involving...

This paper develops and analyzes a model of international trade comprising multiproduct firms that can produce a range of product varieties distinguished by quality. First, it analyses the within-firm distribution of product quality and argues that firms’ export decisions are sensitive to...

In three identical laboratory markets, sellers possess products whose quality is both exogenously and endogenously determined. Buyers can observe products' quality only in the last session of each experiment. It is also assumed an uneven distribution of income among buyers. We study whether a...