Update: Audio of this talk is now available, and video is embedded after the jump.
Preventing global warming requires lowering carbon production, and China produces a high level of carbon emissions. China gains a significant advantage to its economic growth from its continued use of fossil fuels, but the harms from global warming will fall disproportionately on other countries. Thus, some writers advocate giving side payments to China as part of an international agreement to reduce global warming. Their analysis treats China as a "black box"; the input is money, the output is reduced carbon emissions. But when we open the box, the situation is not so simple. The box really has two Chinas inside.
In the most recent edition of Chicago's Best Ideas on January 14, Professors Daniel Abebe and Jonathan Masur presented "The Two Chinas and the Problem of Global Warming," based on their paper "Climate Change and Internal Heterogeneity." The first China is Eastern China. Eastern China is prosperous, having experienced a blistering growth rate around 10 percent annually over the past couple decades. Most of China's major cities dot the Eastern coast, and the cities are hubs for finance and manufacturing. The second China is Western China. Western China resembles a developing country and is still mostly agrarian. Per capita GDP is half what it is in the East (9,967 yuan versus 19,813 yuan). The interplay between the two gives the Chinese Communist Party (CCP) incentives to not accept a climate-change treaty.
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