Access to microcredit has been shown to generate only modest average benefits for recipient households. We study whether other financial market frictions--in particular, lack of access to a safe place to save--might limit credit's benefits. Working with Kenyan farmers, we cross-randomize access...

"Short-run subsidies for health products are common in poor countries. How do they affect long-run adoption? We present a model of technology adoption in which people learn about a technology's effectiveness by using it (or observing others using it) for some time, but people quit using it too...

This paper presents results from a field experiment designed to test whether savings constraints prevent the self-employed from increasing the size of their businesses. We opened interest-free savings accounts in a local village bank in rural Kenya for a randomly selected sample of poor daily...