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In this randomized evaluation, researchers partnered with Planned Parenthood of Michigan to give vouchers for contraception to evaluate the impact of contraceptive costs on method choice. Those who received the vouchers were more likely to buy contraceptives and buy more expensive methods than those...

Researchers provided payday borrowers in the United States information about the true costs of payday loans in order to find out whether they would respond by changing their demand for the product. Better informed individuals reduced their demand significantly, suggesting that getting consumers to...

Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...

In partnership with Simón de Cirene, a Chilean non-profit organization, researchers evaluated the impact of providing role models and personalized assistance through various delivery methods on the business outcomes of micro-entrepreneurs. One year after the program ended, household income increased...

Researchers evaluated whether disclosure of past voting participation had a stronger impact on turnout when it reminded voters of instances in which they previously voted or of instances in which they failed to vote. The results suggest that mailings disclosing past voting behavior had strong...

Vote-buying and vote-selling can obstruct the democratic process, yet they remain pervasive in many developing democracies. Researchers asked voters in the Philippines to make a simple, unenforceable promise not to accept money from politicians or to promise to vote according to their conscience...