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Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

Researchers tested the independent impact of two channels, social learning (when someone purchases an asset after a peer expresses a desire to purchase the same asset) and social utility (when someone feels he can gain more from an asset because his peer owns it), on financial decisions in Brazil...

In many countries around the world, there is growing concern that certain groups of people may face job market discrimination based on physical appearance. To test this theory, researchers randomly submitted resumes with photos of people with varying levels of attractiveness to measure the effect on...

Researchers studied the impact of physician training on the cost and quality of care in a large hospital that randomly allocated patients to teams of physicians from residency programs affiliated with one of two different medical schools. Costs for patients treated by physicians affiliated with the...

Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.

Businesses may be slow to adopt a new technology even when it offers clear benefits. Researchers introduced a new fabric cutting technology to a randomly selected group of soccer ball manufacturers in Pakistan, but very few firms adopted it. They hypothesized that the most likely explanation for low...

Researchers studied the impact of private school vouchers on the altruism, or selfless concern for others, of children and their parents. Voucher recipients demonstrated more altruism towards charitable organizations, but not towards their peers.