Profitability of Fertilizer: Experimental Evidence from Female Rice Farmers in Mali

Lori Beaman (), Dean Karlan, Bram Thuysbaert and Christopher Udry

No 18778, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: In an experiment providing fertilizer grants to women rice farmers in Mali, we found that women who received fertilizer increased both the quantity of fertilizer they used on their plots and complementary inputs such as herbicides and hired labor. This highlights that farmers respond to an increase in availability of one input by re-optimizing other inputs, making it challenging to isolate the returns to any one input. We also found that while the increase in inputs led to a significantly higher level of output, we find no evidence that profits increased. Our results suggest that fertilizer's impact on profits is small compared to other sources of variation. This may make it difficult for farmers to observe the impact of fertilizer on their plots, and accordingly this affects their ability to learn about the returns to fertilizer and could affect their decision to adopt even in the absence of credit constraints.

JEL-codes: O12 O13 Q12 (search for similar items in EconPapers)
Date: 2013-02
Note: LS
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Citations: View citations in EconPapers (70)

Published as Lori Beaman & Dean Karlan & Bram Thuysbaert & Christopher Udry, 2013. "Profitability of Fertilizer: Experimental Evidence from Female Rice Farmers in Mali," American Economic Review, American Economic Association, vol. 103(3), pages 381-86, May.

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Journal Article: Profitability of Fertilizer: Experimental Evidence from Female Rice Farmers in Mali (2013)
Working Paper: Profitability of Fertilizer: Experimental Evidence from Female Rice Farmers in Mali (2013)
Working Paper: Profitability of fertilizer: Experimental evidence from female rice farmers in Mali (2013)
Working Paper: Profitability of Fertilizer: Experimental Evidence from Female Rice Farmers in Mali (2013)
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