evaluating organizational performance based on safety management using data envelopment analysis; case study: isfahan car industry

occupational accidents severely deteriorate human capital, and hence negatively affect the productivity andcompetitiveness. but despite these negative points, there are still deficiencies in safety managementperformance and indicators. therefore the safety issue needs an active management. for this reason, thewriter 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.