The Effects of Droughts and Public Investments in Irrigation Facilities on Rice Yields in Korea
2017
Sung, J., Korea Rural Economic Institute, Naju, Republic of Korea | Chae, K., Korea Rural Economic Institute, Naju, Republic of Korea | Kim, D.E., Rural Research Institute, Ansan, Republic of Korea
The purpose of this study is to measure the effects of droughts and public investments in irrigation facilities on rice production. We estimated the effects of droughts and the fraction of irrigated paddy fields with irrigation facilities on rice yields through a panel regression model. The results showed that the effect of drought on rice yield was negative but modest. Also, we found that increases in the ratio of irrigated paddy fields to total paddy fields by 1% enhance rice yields by 0.025-0.035%. However, the ratio of irrigated paddy fields to total paddy fields has insignificant effects on reducing harmful droughts effects regardless of the conditions of irrigated paddy fields.
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