Impacts of Climate Change on Corn and Soybean Yields in China
AbstractUsing a unique county-level panel on crop yields and daily weather dataset over the past decade, we estimate the impact of climate change on corn and soybean yields in China. Our results suggest the existence of nonlinear and asymmetric relationships between corn and soybean yields and climate variables. We find that extreme high temperatures are always harmful for crop growth. Moreover, the rapid expansion of corn and soybean acreages at both intensive- and extensive margins had detrimental effects on corn and soybean yields. Using estimated coefficients, we estimate changing climate conditions over the study period has led to an economic loss of $220 million in 2009 alone in China’s corn and soybean sectors. Corn yields in China are predicted to decrease by 2-5% under the slowest warming scenario and by 5-15% under the fastest warming scenario by the end of the century. The reductions in soybean yields are found to be more pronounced, about 5-10% and 8-22%, respectively.
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Bibliographic InfoPaper provided by Agricultural and Applied Economics Association in its series 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. with number 149739.
Date of creation: 2013
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Climate change; Corn and soybean yields; China; Crop Production/Industries; Q54; Q10;
Find related papers by JEL classification:
- Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters
- Q10 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - General
This paper has been announced in the following NEP Reports:
- NEP-AGR-2013-06-24 (Agricultural Economics)
- NEP-ALL-2013-06-24 (All new papers)
- NEP-ENV-2013-06-24 (Environmental Economics)
- NEP-TRA-2013-06-24 (Transition Economics)
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