Lottery incentives in Mexico attracted unbanked households to open bank accounts and caused a persistent increase in the flow of deposits and the stock of savings

Private care led to large savings for the public sector and improved health outcomes through more access to care, not necessarily better technology

Human error in vote counting leads to inconsistencies in vote tallies and threatens citizens’ trust in election institutions

In settings with market power, providing goods directly can generate larger consumer surplus gains than cash and vouchers because of price effects

While farming practices were not initially enhanced, low-income farmers in Mexico with autonomy substantially improved two years post-intervention

Providing personalised information on predicted case outcomes to parties in ongoing cases improved court efficiency and achieved better settlements

Debit cards reduce travel distance raise trust in financial institutions, and increase account use