Many financial institutions in developing countries offer savings products. Yet, little has been done to assess systematically and quantitatively the relative merits of different product designs. This paper first examines different designs that provide incentives to clients to commit to save....

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,...

The investment decisions of small-scale farmers in developing countries are conditioned by their financial environment. Binding credit market constraints and incomplete insurance can reduce investment in activities with high expected profits. We conducted several experiments in northern Ghana in...