Detecting Fraud in Development Aid

Jean Ensminger and Jetson Leder-Luis

No 30768, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: When organizations have limited accountability, antifraud measures, including auditing, often face barriers due to institutional resistance and practical difficulties on the ground. This is especially true in development aid, where aid organizations face incentives to suppress information about misappropriated funds and may operate with limited transparency. We develop new statistical tests to uncover strategic data manipulation consistent with fraud. These tests help identify falsified expense reports and facilitate monitoring in difficult-to-audit circumstances, relying only on mandated reporting of data. While the digits of naturally occurring data follow the Benford’s Law distribution, humanly-produced data instead reflect behavioral biases and incentives to misreport. Our new tests improve upon existing Benford’s Law tests by being sensitive to the value of digits reported, which distinguishes between intent to defraud and error, and by improving statistical power to allow for finer partitioning of the data. We apply this method to a World Bank development project in Kenya. Our evidence is consistent with higher levels of fraud in harder to monitor sectors and in a Kenyan election year when graft also had political value. The results are validated by qualitative data and a forensic audit conducted by the World Bank. We produce simulations that demonstrate the superiority of our new tests to the standards in the field. Our tests are useful beyond development aid, including for monitoring corporate accounting and government expenditures.

JEL-codes: C49 D73 H83 M42 O22 (search for similar items in EconPapers)
Date: 2022-12
New Economics Papers: this item is included in nep-acc
Note: DEV PE POL
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Citations: View citations in EconPapers (3)

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