Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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Productivity Analysis in Fisheries Processed Wholesale Products Using Malmquist Productivity Index

맘퀴스트 생산성지수를 이용한 수산물 가공식품 도매업의 생산성 분석에 관한 연구

  • Pyo, Hee-Dong (Department of Marine Business and Economics, College of Fisheries Sciences Pukyong National University) ;
  • Kim, Jong-Cheon (Department of Marine Business and Economics, College of Fisheries Sciences Pukyong National University)
  • 표희동 (부경대학교 수산과학대학 해양산업경영학과) ;
  • 김종천 (부경대학교 수산과학대학 해양산업경영학과)
  • Received : 2010.08.10
  • Accepted : 2010.11.11
  • Published : 2010.12.30
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Abstract

This paper estimates changes in the total factor productivity and technical efficiency change index and the technical change index using the Malmquist productivity index (MPI) in fishery-processed wholesale products over the time period spanning 2006-2008. The model considers a number of employees and operating costs as input factors, and sales and EBIT (earnings before tax and interest) as output factors. The results demonstrate that, between 2006 and 2007, there has generally been no technical progress, although a small improvement in productivity was detected in the sales scale of 10 billion won-50 billion won. Between 2007 and 2008, there was technical progress in the majority of DMU, except within the range of 20 million won-10 billion won. Wilcoxon's rank-sum test, however, demonstrates no statistically significant differences in productivity between the two periods.

Keywords

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