In May 2021, Sri Lanka’s government imposed an abrupt ban on chemical fertilizer imports. This paper leverages this natural experiment to quantify the costs of a lack of access to fertilizer for agricultural production and trade in a developing economy heavily dependent on agriculture. Using high-frequency firm-level trade data, ground production records, newly developed remote sensing crop yield estimates, and event study designs, the analysis reveals...
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详细
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2023/12/12
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政策研究报告
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WPS10642
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1
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2023/12/12
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Disclosed
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Fertilizer Import Bans, Agricultural Exports, and Welfare : Evidence from Sri Lanka