The journal impact factor is not comparable among fields of science and social science because of systematic differences in publication and citation behavior across disciplines. In this work, a source normalization of the journal impact factor is proposed. We use the aggregate impact factor of...

In this paper, the problem of determining the location and quality of new facilities in a network market is analyzed. Customers make their choice according to an attraction function, which is directly proportional to the facility quality level and decreasing with respect to the distance between...

El problema del líder-seguidor es un problema de decisión secuencial en un mercado sin centros de servicio, donde una empresa, la empresa líder, abre primero sus centros y otra empresa competidora, la empresa seguidora, entra más tarde en el mercado abriendo los suyos. La empresa líder...

We investigate the (r|Xp)-medianoid problem for networks. This is a competitive location problem that consists of determining the locations of facilities belonging to a firm in order to maximize its market share in a space where a competitor is already operating with facilities. We consider six...