Search our database of 1030 randomized evaluations conducted by our affiliates in 88 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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The Role of the VAT for Tax Enforcement

The Value Added Tax (VAT) system, which generates a paper trail on transactions between firms, facilitated tax enforcement by spreading the impact of enforcement measures up the production chain in a study with over 400,000 firms in Chile.

How Does Winning the Lottery Affect Labor Supply? Evidence from Sweden

David Cesarini
Erik Lindqvist
Robert Ostling
Researchers used data on lottery winners in Sweden to determine whether receiving an influx of cash affected the labor supply decisions of winners and their spouses. They found that lottery winners reduced their labor supply, suggesting that cash transfers can have an effect on labor market outcomes...

Household Matters: Revisiting the Returns to Capital among Female Micro-entrepreneurs

Arielle Bernhardt
Natalia Rigol

Researchers re-examined data from previous studies in Ghana, India, and Sri Lanka to better understand the impact of credit and cash grant variations on micro-enterprise profits. Their results suggest that the gender gap in micro-enterprise performance was not due to ability, but rather to women’s...

Savings Accounts to Smooth Consumption for Low-Income Microentrepreneurs in Chile

Felipe Kast

Researchers examined the effects of free savings account access on savings account use, indebtedness, consumption, and well-being. Easy access to savings accounts reduced participants’ reliance on borrowing, helped them manage fluctuations in income, and increased their self-reported well-being.

Formal Rainfall Insurance for the Informally Insured in India

Mark Rosenzweig

Researchers evaluated how informal insurance within Indian sub-castes affects the demand for formal rainfall insurance, and subsequent risk-taking among households employed in agriculture. Informal insurance both increased and decreased the demand for formal rainfall insurance, depending on the...

Reducing Barriers to Savings in Rural Malawi

Xavier Giné
Lasse Brune

Researchers analyzed the effect of reducing barriers to saving in rural Malawi on savings behavior, investment in agricultural inputs, and consumption. They found that farmers with access to formal savings accounts preserved greater amounts of savings throughout both the harvest and planting seasons...

Powering Small Retailers: The Adoption of Solar Energy under Different Pricing Schemes in Kenya

Kenya, East Africa's largest economy, is struggling with an ageing energy infrastructure and low connectivity to the power grid. William Jack and affiliate Tavneet Suri (MIT) study the impact of off-grid solar power on small retailers in Nairobi.

Financial Education vs. Access to Finance Among Filipino Migrants

Rashmi Barua
Paolo Abarcar

International remittances are an important financial tool for many developing countries, and many organizations offer financial products or financial education services to help families manage the remittances they receive. Researchers provided families with financial products and financial education...