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유기농업의 공익기능에 대한 경제적 가치 평가 -실험선택법을 적용하여-
유진채,공기서,여순식,서명철,Yoo, Jin-Chae,Kong, Ki-Seo,Yeo, Sun-Sik,Seo, Myung-Chul 한국유기농업학회 2010 韓國有機農業學會誌 Vol.18 No.3
The objective of this paper is to apply choice experiment methods to estimate non-market value of organic farming and its policy implication. A preliminary survey shows that the attributes of organic farming are reduce environmental pollution, bio-diversity improvements, cultural diversity improvements and maintain local community, reduce green-house gas emissions, energy saving, landscape improvements and tax for organic farming improvement policy. Questionnaire was eight different choice sets presented to each respondent. Implicit values of the attributive levels of organic farming have been calculated into tax money costs per house. This paper compared the six feasible scenarios in terms of willingness to pay per year. This study is expected to contribute to government's organic farming policies and quantitative information related to practice of organic farming.
유진채 ( Jin Chae Yoo ),여순식 ( Sun Sik Yeo ),공기서 ( Ki Seo Kong ) 한국축산경영학회,농업정책학회(구.한국축산경영학회) 2012 농업경영정책연구 Vol.39 No.2
The Biodiversity Management Contract Scheme (BMCS) designed for conserving and enhancing biodiversity and protecting winter birds` habitats in Korea and introduced as a payment for ecological service since year 2002. BMCS included partial rice harvesting practice, winter barley sowing practice, winter paddy irrigation practice and rice straw supply practice. The environment-friendly farming practice was not included in spite of feasibility study recommended. BMCS was effective for supply winter birds` feed but it had policy design limitation for increasing biodiversity and enhancing ecological service of agriculture. The policy effective survey results for stakeholders and administration stuffs were positive and affirmative. The affirmative rate had range between -5 and +5. Rice straw supply practice rate was highest and 4.13. Winter irrigation practice rate was second and 3.83. Winter sowing barley practice rate was third and 2.83. Partial rice harvesting practice rate was last and 2.13. The first rate of farm income increasing effects was winter irrigation practice and 2.58. The second rate was winter sowing barley practice and 1.88. The third rate was rice straw supply practice and 1.75. The last rate was Partial rice harvesting practice and 1.71.
유진채(Jin-Chae Yoo),여순식(Sun-Sik Yeo),서상택(Sangtaek Seo) 한국농업경제학회 2015 農業經濟硏究 Vol.56 No.3
The objectives of this paper were to apply the choice experiment method to the analysis of consumer’s preferences and valuations for stalk end of watermelon and derived its policy implication. Focus group study and preliminary survey were conducted to specify the attributes of watermelon. Selected attributes of watermelon were types of stalk end, freshness, size, sugar content and consumer prices. The results of estimated implicit prices of the attributive levels showed higher preferences in the sugar content, freshness, types of stalk end and size of watermelon than those of baseline watermelon. The willingness to pays(WTP) or implicit prices for stalk ends were 3,460 won for T type of stalk end, 3,467 won for date label with no stalk end, 2,905 won for I type stalk end compared to no stalk end. The WTP of freshness level were 6,370 won for one day pass after harvest date , 6,300 won for 2~4 day pass after harvest date, -2,466 won for 7 day pass after harvest date compared to the baseline with 5~6 day pass after harvest date. These results were expected to contribute to government s agricultural policies and farmers’ decision makings with the practice of watermelon farming.
조사논문 : 대청,남강댐 수몰이주민의 이주 전,후 생활 변화 분석
박종섭 ( Jong Sup Park ),공기서 ( Ki Seo Kong ),여순식 ( Sun Sik Yeo ) 한국축산경영학회,농업정책학회(구 한국축산경영학회) 2012 농업경영정책연구 Vol.39 No.4
This paper to analyze the socio-economic impacts on the forcibly-migrated residents in the Daecheong-dam and the Namgang-dam area. A dam is essential to decrease flood damages and to meet water demand during dry season in Korea. However a dam construction may lead to problems for the residents and farmlands in the area to be removed due to submerge of the area. Also, farmers nearby a dam are restricted in their farm activities to preserve the water quality, which also leads to financial damages. In our study, surveys were done for 700 households that were located in the dam areas but removed from their lands. The survey results indicated that the dams caused substantial damages to their minds and financial integrity. This study is expected for the policy makers to make better understand the post project situaton and to make better decision by providing qualitative information on dam construction projects.
농업용 저수지 퇴적물 준설과 처리 시범사업의 경제성 평가
유진채,여순식,공기서 忠北大學校 農業科學硏究所 2012 農業科學硏究 Vol.28 No.2
The objectives of this study were evaluating economic efficiency of pilot projects for dredging and treatment in agricultural reservoirs using methods of costs benefits analysis. The pilot projects areas included four locals: Giheung, Seolseong, Dogo and Habin. The projects period assumed 20 years. The net present value of whole pilot projects was estimated 9,143 million Won. The costs benefits ratio was estimated 3.08. The internal rate of returns was estimated 53.4%. The results of evaluating economic efficiency of pilot projects were feasible based on costs benefits analysis
박종섭, 최양일, 공기서, 여순식 忠北大學校 農業科學硏究所 2012 農業科學硏究 Vol.28 No.3
The purpose of this study is to estimate the implicit prices and consumers’ preference by attributes on Korean beef cattle ham using choice experiments. Main attributes are the country of origin, non-antibiotic certification, HACCP certification, addition of Korean agricultural products and use of natural colors. The implicit prices of each attribute and level for country of origin are estimated as KRW 919.0 for Korean pork, KRW 2,173. for imported beef and KRW 5,232.9 for Korean cattle beef. The other estimated implicit prices are KRW1,762.9 for non-antibiotic certification, KRW 577.5 for HACCP certification, KRW 57.9 for addition of Korean agricultural products and finally, KRW 572.9 for use of natural colors. This study is expected to contribute to the decision-making process of Korean beef cattle farmers by providing useful quantitative information on attributes and price that are related to consumers’ preference on Korean beef cattle ham.