The poor can and do save, but often use formal or informal instruments that have high risk, high cost, and limited functionality. This could lead to undersaving compared to a world without market or behavioural frictions. Undersaving can have important welfare consequences: variable consumption,...

A leading economist and researcher report from the front lines of a revolution in solving the world's most persistent problem. When it comes to global poverty, people are passionate and polarized. At one extreme: We just need to invest more resources. At the other: We've thrown billions down a...

The poor can and do save, but often use formal or informal instruments that have high risk, high cost, and sub-optimal design. This could lead to undersaving compared to a world without market or behavioral frictions. Undersaving has important welfare consequences: variable consumption, low...