The aim of this paper is to explore several features concerning the generalized marginal rate of substitution (GMRS)when the consumers utility maximization problem with several constraints is formulated as a quasi-concave programming problem. We show that a point satisfying the first order...

Purpose – The purpose of this paper is to determine if the professional information technology (IT) in Puerto Rico has had an impact during the job search process, financial compensation and success in the industry, from the point of view of management, with the emergence of certification....