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The Effects of Crop Biodiversity on Agricultural Production: An Empirical Investigation of Rice Genetic Resources
분야 농학 > 농경제
저자 ( Kwansoo Kim ) , ( Donghwan An ) , ( Kwangseok Chae )
발행기관 한국농업경제학회
간행물정보 KOREAN JOURNAL OF AGRICULTURAL ECONOMICS(KJAT) 2007년, 제48권 제3호, 49~65쪽(총17쪽)
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연관 논문
2000년대의 조사료 생산전략 ( Roughage Production Strategies for the 2000 's )
Effects of Green Manure and Carbonized Rice Husk on Soil Properties and Rice Growth -
Effects of Rice Straw Compost Application on Exchangeable Potassium in Long-term Fertilization Experiments of Paddy Soils -
논에서 SRI (System of Rice Intensification) 물 관리 방법을 적용한 온실가스 저감 효과 -
Effects of CaMSRB2-Expressing Transgenic Rice Cultivation on Soil Microbial Communities
 
 
영문초록
This paper tests whether exogenous shocks including agricultural policies, trade liberalization and financial crisis have impacts on the structural changes in the farm or farm household income. Unlike previous studies that specify break points prior to the estimation of regression, this paper estimates break points by fitting time series models. Tests for the structural breaks show that there is no structural break in the real farm household income whereas real farm income has five break points. Especially the break at 1997 can be interpreted as the impacts of financial crisis. The break points of 1983, 1987 and 1992 approximately match with the timings of agricultural policies that aimed better structure of agriculture and rural area were implemented. The assessed impacts of exogenous shocks at 1970, 1983, 1987 and 1992 are all positive. However, the assessed impacted of the shock at 1997 is negative. The impacts of the shock at 1997 are assessed within the range between -1,141,432 won and -3,167,804 won.
 
 
biodiversity, rice farming, productivity, risk, tolerance-to-pest
 
 
도움말
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