"The question that I can't help but wonder, is that really the best that we can do?... Even if it was just a rag, even if it was sold for 50 cents as a rag, the cost-benefit analysis probably means its better off selling it as a rag and taking the money and buying something else like bednets and deworming pills and sending that to Africa."

Dean Karlan on CBC "As it Happens" with Carol Off and Jeff Douglas by poverty_action

You can follow Dean on Twitter @DeanKarlan

For more see World Vision's response to Aid Watch.