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FIALA: Is the Evidence for the Lack of Impact of Microfinance Just a Design Problem?

Microfinance is one of the most hotly debated interventions in developing countries over the last 20 years. These are generally small loans, often given to women with short repayment periods and high interest rates (though often much lower than local…

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BÉDÉCARRATS et al.: Lessons from Replicating an RCT

In 2015, Crépon, Devoto, Duflo and Pariente (2015, henceforth CDDP), published the results of a randomized control trial (RCT) in a special issue of the AEJ: Applied Economics. CDDP evaluated the impact of a microcredit program conducted in Morocco with…

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DID, IV, RCT, and RDD: Which Method Is Most Prone to Selective Publication and p-Hacking?

[From the working paper, “Methods Matter: P-Hacking and Causal Inference in Economics” by Abel Brodeur, Nikolai Cook, and Anthony Heyes] “…Applying multiple methods to 13,440 hypothesis tests reported in 25 top economics journals in 2015, we show that selective publication and p-hacking is…

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Another Article Takes the Sheen off RCTs

[From the article, “Why all randomised controlled trials produce biased results”, by Alexander Krauss, recently published in Annals of Medicine] “Randomised controlled trials (RCTs) are commonly viewed as the best research method to inform public health and social policy. Usually they…

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