Occupational accidents severely deteriorate human capital, and hence negatively affect the productivity and competitiveness. But despite these negative points, there are still deficiencies in safety management performance and indicators. Therefore the safety issue needs an active management. For this reason, the writer has proposed an approach to evaluate organizations based on safety management. Data envelopment analysis is used to assess organization’s performance. After efficient and inefficient DMUs were found, the next step would be sensitivity analysis of DEA Model’s inputs. The proposed approach has been solved in Isfahan car industry. The results show that, there are 5 efficient DMU’s between 12 ones. Then DMU’s have been ranked by two ranking methods of super efficiency and Ideal and Anti Ideal Ranking Method. The sensitivity Analysis of model’s inputs results signify that among indicators, safety risks management has the most influence, on DMU’s efficienc. تفاصيل المقالة

Football is one of the most popular and exciting sports fields throughout the world. Today, in addition to the result, the number of goals and points, attraction and quality of the played matches are important for club management staff, coaching staff, the players and especially the fans. Beside number of goals, there are different criteria such as successful passes, attacks, defenses, tackles and etc. can determine the quality of matches. Therefore, in this survey, researchers consider the quality of World Cup 2014 football matches. For this purpose, after the review on research literature, the quality criteria of football matches are determined. Afterward, related data of each criterion are extracted. Then, the DEA common weight analysis (DEA-CWA) is used in order to evaluate and rank the quality of competitions. Results show that the match between the national teams of Argentina and Nigeria was elected as the highest-quality match in Brazil's 2014 World Cup first round. تفاصيل المقالة