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The purpose of this research was to propose variables to be used as a basis for analyzing efficiency in the nickel mining. Compared to the rest of the world, in Cuba the application of mathematical methods that do not require specification of a functional form has been limited, so this research proposes Data Envelopment Analysis as an effective benchmarking tool. This technique makes it possible to identify elements that determine the establishment of goals and contributes to the development of action plans that allow companies to be efficient in an environmentally responsible manne Based on the results, it is proposed to use the tons of nickel produced in Cuba as a product variable in the efficiency analysis. The technical indicators such as input or resource variables and the technical indicators (capital productivity), expressed through the Global Effectiveness of the Equipment (OEE), and labor productivity, as well as the economic and environmental indicators that are better weighted in the selected units. [ABSTRACT FROM AUTHOR]

Assessing the efficiency of commercial negotiators from the determination of the elements that characterize their profiles is a useful tool for elaborating actions plans that contribute to the improvement of the Cuban enterprises' negotiating activity. A procedure for determining technical efficiency of commercial negotiators in Cuban enterprises is presented in this paper, by the use of a nonparametric technique of data enveloping analysis (DEA). The use of this procedure in Cuban enterprises linked to foreign commerce activity allowed determining technical efficiency indexes of commercial negotiators from these entities as well as identifying elements that determine this efficiency. [ABSTRACT FROM AUTHOR]

The study of the efficiency of health units contributes to design strategies for attaining better results with the available resources. The objective was to develop an algorithm for measuring the efficiency at a health care institution, in order to identify the units with better productive practice; and to impel the productive efficiency by means of the incorporation of management processes of benchmarking. The algorithm developed was made on the basis of bibliographic revision and the knowledge of experts. Qualitative and quantitative techniques were combined in the algorithm. It was applied to measure the efficiency of centers of health of Tabasco, Mexico and the efficiency of polyclinics of the provinces of Cienfuegos and Matanzas, Cuba. 15 operations were defined. Data Envelopment Analysis was the technique used to measure the efficiency. More 50% of the studied units were inefficient. In all the inefficient units, potential areas for improving the efficiency and references units were found. [ABSTRACT FROM AUTHOR]