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Journal of Korean Society for Quality Management > Volume 38(2); 2010 > Article
Journal of Korean Society for Quality Management 2010;38(2): 261-.
부트스트랩 맘퀴스트 생산성지수를 이용한 Single PPM 인증기업의 생산성 비교 연구
송광석1, 유한주2
1서강대학교 경영전문대학원
2숭실대학교 경영학부
A Comparative Study on Productivity of the Single PPM Quality Certification Company by using the Bootstrapped Malmquist Productivity Indices
Gwang-Suk Song1, Han-Joo Yoo2
1Graduate School of Business, Sogang University
2Division of Business Administration, Soongsil University
ABSTRACT
The purpose of this study is to empirically analyze the productivity change of the 10 Single PPM Certification Company in the 3 Industry(Electronics, Motor-Parts, Machines). In this study, Productivity change over the time in Korean small and medium sized firms in the 3 industries by the bootstrapped Malmquist Productivity Index(MPI). The traditional Malmquist Productivity Index(MPI) and Data Envelopment Analysis(DEA) Models have not only bias but also lack statistical confidence intervals. they could lead to wrong evaluations of the efficiency and productivity scores. In this paper, DEA and a MPI are combined with a bootstrap method in order to provide statistical inferences that analyze the performance of the Single PPM Certification Company. The data cover the period between 2004 and 2007. The result of this paper reveals : 1) The Electronics Industry had productivity effect of 17%, but there was not direct effect for other Industries(Motor-Parts, Machines). 2) average productivity Progress of the 7DMU(Electronics), 1DMU(Motor-Parts) and none(Machines).
Key Words: Single PPM;Malmquist Productivity Index(MPI);Bootstrapped MPI;
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