Nearly forty percent of humanity lives on an average of two dollars a day or less. If you've never had to survive on an income so small, it is hard to imagine. How would you put food on the table, afford a home, and educate your children? How would you handle emergencies and old age? Every day,...

The portfolios of the poor -- The daily grind -- Dealing with risk -- Building blocks : creating usefully large sums -- The price of money -- Rethinking microfinance : the Grameen II diaries -- Better portfolios

The price elasticity of demand for credit has major implications for macroeconomics, finance, and development. We present estimates of this parameter derived from a randomized trial. The experiment was implemented by a consumer microfinance lender in South Africa and identifies demand curves...

Information asymmetries are important in theory but difficult to identify in practice. We estimate the empirical importance of adverse selection and moral hazard in a consumer credit market using a new field experiment methodology. We randomized 58,000 direct mail offers issued by a major South...

Numerous laboratory studies report on behaviors inconsistent with rational economic models. How much do these inconsistencies matter in natural settings, when consumers make large, real decisions and have the opportunity to learn from experiences? We report on a field experiment designed to...

Expanding credit access is a key ingredient of development strategies worldwide. Microfinance practitioners, policymakers, and donors have ambitious goals for expanding access, and seek efficient methods for implementing and evaluating expansion. There is less consensus on the role of consumer...