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李光遠,金再洪 충남대학교 농업과학연구소 2005 농업과학연구 Vol.32 No.2
In this study, certain factors influencing cherry tomato were estimated using system equations. In addition, the amount of influence to income from each factor was estimated from both direct and indirect effects. Based on OLS(Ordinary Least Squares) estimation, path analysis and factor analysis were employed to overcome multicollinearity problems. Data used in this study is interviewed cross sectional data of 65 cherry tomato producing farm in Chungnam-do area. Average age of the producers is 46.5. Average year of the production is 8 years. Average farm size, productivity, and income are 1.123 pyong, 7,439kg/10a, 8,112,000won/ 10a, respectively. The business performance of the sample farms were above average, in terms of the diagnosis by「 Standard Business Diagnosis for Cherry tomato」. To identify the factors influencing productivity, 15, 19, and 25 independent variables were selected for the dependent variables of yield, price (quality), and business cost, respectively. Finally, yield, quality, and business cost variables were set as independent variables to explain income as dependent variable. As a result of main factor analysis, 10, 12, 15, and 16 factors were identified as main factors for yield, quality, business cost, and income, respectively.