Evaluations

In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...

Researchers conducted a randomized evaluation to test the impact of financial incentives on the take-up of energy-efficient smart meters and subsequent energy use in partnership with British Gas. While offering incentives increased smart meter adoption, customers did not reduce their energy...

Researchers used two experiments to identify whether the motive for giving in public can be primarily linked to a desire for prestige (the “image” effect) or a hope that a public gift will influence others (the “signal” effect). They found that a desire to improve social image largely explained why...