Impacts of Surface Ozone Pollution on Crop Productivity: Evidence from Winter Wheat in China
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The impact of surface ozone pollution on the yield of winter wheat is empirically estimated by
considering socio-economic and climatic determinants. This research is the first to use an economic
framework to estimate the ozone impact, and a unique county-level panel is employed to examine
the impact of the increase of surface ozone concentration on the productivity of winter wheat. In
general, the increment of surface ozone concentration during the ozone-sensitive period of winter
wheat is found harmful to its yield, and the damage to China’s grain supply and economic values
are non-negligible. This study also confirms that other stress conditions, such as drought and air
particles, can potentially mitigate the adverse effect of surface ozone exposure on the yield of winter
wheat.