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한국 수도작 생산의 규모경제성에 관한 계량적 분석 원문보기
(An) Econometric analysis on the economy of scale in korea paddy-rice production

  • 저자

    정명종

  • 학위수여기관

    慶尙大學校 大學院

  • 학위구분

    국내석사

  • 학과

    농업경제학과

  • 지도교수

  • 발행년도

    2004

  • 총페이지

    iv, 87p.

  • 키워드

    수도작 규모경제성 농업경제학;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10060227&outLink=K  

  • 초록

    The aim of this paper is to analyze scale of economies in Korean paddy-rice production and to measure Allen's partial elasticity of substitution, Morishima elasticity of substitution and price elasticity of input demand using paddy-rice production cost data. Moreover this study intends to explore changes in Korean paddy-rice farming by comparing to previous studies. The model that this study has employed is a flexible Translog cost function. Allen's partial elasticity of substitution, Morishima elasticity of substitution and price elasticity of input demand are calculated through parameter estimates of Translog model. Economies of scale can be found by the parameter estimates of Translog cost function and the shape of log-run average curve. In Translog cost function, economies of scale is defined as unity minus cost elasticity with respect to output. ◁수식삽입▷(원문을 참조하세요) Economies of scale analysis is based on 1549 actual farm data derived from the production cost survey data of 2000 year published by the Korea National Statistical Office. We found that there is economies of scale in Korean paddy-rice farming and the Allen's partial elasticity of substitution between inputs land-machinery, labor-fertilizer, machinery-fertilizer, labor-machinery, land-fertilizer are calculated as 0.1620, 1.0424, -0.3457, 0.4581 ,0.7452 respectively. The own price elasticities of land, labor, machinery, fertilizer are calculated as -0.1316, -0.2909, -0.2624, -0.5736 respectively. Cross price elasticities for the labor and fertilizer demand are relatively greater than those for the land and machinery demand. Also another way to show the economies of scale is to find the long-run average cost curve facing a typical farm. The cost curves can be derived by evaluation the average cost function for a range of outputs which holding the factor prices fixed at the sample means. We find that log-run cost curve is right-down shaped. Thus we conclude That there were significant scale economics available to nearly all farms, unnlike the results of previous study. Economies of Scale value has been increased as output levels increase


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