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The situation of violence in Mexico shows an alarming trend as the number of committed crimes increased by 10.9% in 2021 compared to 2020. In fact, 75.6% of the Mexican population perceives the insecurity. Due to the above, it is necessary to strengthen public security to combat this trend. However, the resources allocated to the public security in Mexico are limited. Although there are studies that investigate what causes the violence in Mexico, so far there is no study that measures the efficiency of combating the violence related to budgetary, human, and material resources of the public security. This article investigates the efficiency of combating the property violence in 206 municipalities in the Northwest region of Mexico through the Data Envelopment Analysis. The results show a low efficiency (56.67%) with significant differences between the states in the region. Baja California is the state with the lowest efficiency (17.61%), whereas the highest efficiency is found in Durango (67.25%). For the last, the need to carefully plan changes in the police force and the public security infrastructure was noted to improve the efficiency and the level of security. [ABSTRACT FROM AUTHOR]

The 041 irrigation district, Yaqui River, in Northwestern Mexico, was affected by a severe drought in the 2002-2003 irrigation season and only 29% of the total area was irrigated due to the limited water resources available. In this work, the water management in the irrigation district was evaluated taking into account the efficiency in the irrigation water use of all the irrigation modules using Data Envelopment Analysis (DEA) techniques. The aim of the research was to identify the efficient management of irrigation and to know where to channel appropriate adjustments in the next agricultural years in the studied region, through its deviations regarding with the most efficient irrigation modules. Agronomic and hydraulic comparisons were included in the Frontier Analyst Professional Software; in order to define the border of possibilities that allow to increase or even the most efficient (100%). The results determined that the most homogeneous in efficiency was the 2012-2013 agricultural cycle, ranging its rank from 86.72% to 100%, indicating that the border of possibilities is immediate for the most irrigation modules. The agricultural cycle 2010-2011 was more heterogeneous in efficiency since the ranges fluctuate from 62.21% to 100%, which makes it more complex to reach the border of possibilities. [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]