This article considers a model of spatial competition where firms and consumers are located in a semicircular space rather than in the whole circle (Salop's model) or the linear city (Hotelling's model), under the assumptions of both, convex and concave, transportation costs. The paper tries to...

This article considers a model of spatial competition where firms and consumers are located in a semicircular space rather than in the whole circle (Salop's model) or the linear city (Hotelling's model), under the assumptions of both, convex and concave, transportation costs. The paper tries to...

This article formulates an empirical model for salary determination, which permits the identification of the depreciation rate of the stock of professional qualifications. The analysis is implemented using the 1994 European Community Household Panel data referring to Spanish salaried males. The...