期刊
ECONOMIC JOURNAL
卷 132, 期 648, 页码 2737-2766出版社
OXFORD UNIV PRESS
DOI: 10.1093/ej/ueac030
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资金
- Swiss National Science Foundation (SNF) [100018 182206]
- International Development Research Centre (IDRC)
- Swiss National Science Foundation (SNF) [100018_182206] Funding Source: Swiss National Science Foundation (SNF)
This study investigates the risk preferences of subsistence farmers in Ethiopia and their adaptation to rainfall shocks. The findings show that rainfall shocks decrease risk tolerance over time for the same individuals. Additionally, historical rainfall characteristics and geographical features explain 40% of the variation in preferences across individuals. The time-changing effects are in line with the geographical effects, providing real-world evidence that preferences may systematically adapt to the environment of the decision maker.
We present incentivised panel data measuring risk preferences of subsistence farmers from across Ethiopia and pair them with rainfall data. We use these data to test the hypothesis that risk preferences may adapt to the environment of the decision maker. We find that rainfall shocks decrease risk tolerance for the same individuals over time. We also find that historical rainfall characteristics and geographical features can explain 40% of the variation in preferences across individuals. The time-changing effects are perfectly aligned with the geographical effects we document, painting a unified and highly coherent picture. This provides the first real-world evidence that preferences may systematically adapt to the environment of the decision maker.
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