This study, targeting 30 full and semi market-oriented public enterprises which have been exerting a lot of influences across the Korean society both as an administrative and economic body, intended to measure and analyze management efficiency divided into the following three categories based on non-oriented data envelopment analysis model(DEA) : technical efficiency(TE), pure technical efficiency(PTE) and scale efficiency(SE) and then identify correlation between management efficiency and management performance evaluation made by the public and the government. This study primarily analyzed the correlation between management efficiency and management performance evaluation of public enterprises and subsequently, the correlation between management efficiency and non-market economic factors, such as leadership, customer satisfaction and governmental policy. Based on the result of analyses on the relations between management efficiency and management performance evaluation and between management efficiency and non economic role, public enterprises with relatively high efficiency and high performance were selected and then benchmarked for presenting a way of strategically improving other public enterprises. Considering that input variables easy to manage and control are applied as main decision making variables both for private and public companies, the non-oriented DEA was used in this study. cost factors, such as the number of employees, assets and liabilities, were selected as the input variables while the factors clearly demonstrating performance of a public enterprise, including sales and operating revenue, were selected as the output variables. With those input and output variables, the management efficiency of public enterprises were measured. According to the efficiency measurement result, the public entities ranking top places in terms of TE included Ulsan Port Authority, Korea Racing Authority, Korea Marine Environment Management Corporation, and Korea Gas Corporation. The nine public entities were identified to be relatively more efficient in terms of PTE, including Ulsan Port Authority, Jeju Free International City Development Center, Korea Racing Authority, Korea Marine Environment Management Corporation, Busan Port Authority, Incheon International Airport Corporation, Korea Gas Corporation, Korea National Oil Corporation, and Korea Electric Power Corporation. Regarding the average values in TE and PTE of public enterprises, all efficiencies were found to improve further each year. But, on average, the value of TE was 19,35% lower than that of PTE. As a result of the correlation coefficient analysis between management evaluation and management efficiency of public enterprises, the highly efficient public enterprises were found to tend to rank low in the management performance evaluation in the case of TE and SE while tending to rank high in the case of PTE, implying that results might be different depending on assumed efficiency condition. Additionally, the public enterprises with high management efficiency showed low performance from the aspect of non market economic factors and thus indicated that the public enterprises highly efficient and economically very active were not highly evaluated by the public and the government in non economic body roles. As a result of applying the management efficiency and management performance evaluation of public enterprises to the correlation analysis frame offered in this study, Korea Minting & Security Printing Corporation and Korea Gas Corporation which showed relatively high values from the analysis of management efficiency and management performance evaluation were identified as an excellent reference group. And, the result of correlation analysis between the management efficiency and non market factors found that Korea Minting & Security Printing Corporation and Korea Racing Authority displayed high performance in terms of non market economic factors in proportion to their management efficiencies. According to results of multi regression analyses between management efficiency and management performance evaluation and between management efficiency and non market factors, there were no relation statistically significant and no causal relationship among these variables. However, the public enterprises whose returns to scale(RTS) declines and semi, not full, market-oriented public enterprises are found highly efficient at a significance level in terms of the management performance evaluation and non market factors, respectively. Accordingly, this implies that the strong application of external control factors to the public enterprises leads to difficulties in achieving active management efficiency due to big social impact and furthermore, the role as an administrative body becomes more important than that of the economic body for the public firms.
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