Frank, Eyal G.; Wang, Qinyun; Wang, Shaoda; Wang, Xuebin; … - National Bureau of Economic Research - 2025
How do large disruptions to ecosystems affect human well-being? This paper tests the long-standing hypothesis that China's 1958 Four Pests Campaign, which exterminated sparrows despite scientists' warnings about their pest-control role, exacerbated the Great Famine--the largest in human history....