Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Study on Economic Value and Variance on Water Supply in Industrial Complexes

산업단지 내 공업용수 공급의 경제적 가치 및 한계생산가치 변동성에 관한 연구

  • Kim, Gilho (Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Deokhwan (Department of Civil Engineering, Inha University) ;
  • Kim, Kyungtak (Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Hung Soo (Department of Civil Engineering, Inha University)
  • 김길호 (한국건설기술연구원 국토보전연구본부) ;
  • 김덕환 (인하대학교 토목공학과) ;
  • 김경탁 (한국건설기술연구원 국토보전연구본부) ;
  • 김형수 (인하대학교 토목공학과)
  • Received : 2016.08.16
  • Accepted : 2018.05.04
  • Published : 2018.05.31
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Abstract

This study estimated the marginal production value based on the production function approach to confirm the economic value of industrial water supply projects. For this, we analyzed 4 data sets classified by 11 industry types according to Cobb-Douglas Function, Translog Function, and Translog function with sector dummy variables. As a result, the average industrial marginal product value of the entire industry was 3,217~5,357 won/ton, 2,994~4,569 won/ton and 3,620~5,342 won/ton, respectively. The results by industry type were the largest in furniture and other manufacturing industries and showed the lowest marginal production value in the textile and leather industries. Overall, the results from the Cobb-Douglas function were highly evaluated. And the volatility according to data sets was also analyzed in the Cobb-Douglas function. There have been few studies on the economic value of industrial water compared to domestic water. It is considered that multidisciplinary consensus will be needed through active research in the future.

본 연구는 공업용수 공급사업에 따른 경제적 가치를 확인하기 위하여 생산함수 접근법에 기반한 한계생산가치를 추정하였다. 이를 위해 Cobb-Douglas, Translog, Sector 더미변수를 포함한 Trasnslog 생산함수를 기준으로 11개 산업유형별로 구분된 4가지 자료세트(Case)를 이용하여 분석하였다. 분석결과, 전 산업 평균 한계생산가치는 각각 3,217~5,357원/ton, 2,994~4,569원/ton, 3,620~5,342원/ton로 나타났으며, 산업유형별 결과는 가구 및 기타제조 산업에서 가장 크게 추정되었고, 섬유 가죽산업에서 가장 낮은 한계생산가치를 보였다. 전체적으로 Cobb-Douglas 함수에 의한 결과가 높게 나타났으며, 자료세트에 따른 변동성 또한 Cobb-Douglas 함수에서 크게 나타났다. 생활용수에 비해 공업용수의 경제적 가치에 관한 연구는 그동안 미흡하였으나, 향후 활발한 연구를 통해 다학제간 합의가 필요할 것으로 판단된다.

Keywords

References

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