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长期气候变化的经济效应:来自小冰期的证据

The Economic Effects of Long-Term Climate Change: Evidence from the Little Ice Age
Journal of Political Economy · 2022 · Maria Waldinger

中文摘要

近期研究一致发现,年际天气波动具有重要的经济效应。我研究了小冰期(1600—1850年)250年间长期且渐进的气候变化的经济效应,在此期间,人们和经济体有时间进行适应。结果显示,长期气候变化具有显著的负面经济效应。气温通过影响农业生产率和死亡率作用于经济。为适应小冰期,各经济体增加了贸易并改变了土地利用方式。我讨论了这些结果对于理解当今气候变化的影响,尤其是对发展中国家的影响,有何启示。

Abstract

Recent studies consistently find important economic effects of year-to-year weather fluctuations. I study the economic effects of long-term and gradual climate change over 250 years in the Little Ice Age (1600–1850), during which people and economies had time to adapt. Results show significant negative economic effects of long-term climate change. Temperature impacted the economy through its effect on agricultural productivity and mortality. To adapt to the Little Ice Age, economies increased trade and changed land use. I discuss the relevance of these results for understanding the impact of today’s climate change, especially in developing countries.
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