We present new evidence on the relationship between health behaviors and experimental measures of risk and time preferences and introduce evidence that perceived control - a measure incorporated from the health psychology literature - is a stronger and more consistent predictor of health...

We propose that individuals consider future versions of themselves to truly be separate persons, not simply as a convenient modeling device but in terms of actual brain systems and decision]making processes. Intertemporal choices are thus quite literally strategic interactions between multiple...

We introduce a modification to the two-timescale games studied in the evolution of preferences (EOP) literature. In this modification, the strategic process occurring on the long timescale is learning by an individual across his or her lifetime, not natural selection operating on genomes over...

Firms often face choices about when to upgrade and what to upgrade to. We discuss this in the context of upgrading to a new technology (for example, a new computer system), but it applies equally to the upgrading of processes (for example, a new organizational structure) or to individual choices...

Policymakers often urge microfinance institutions to increase interest rates to eliminate reliance on subsidies. However, existing research provides little evidence on interest rate sensitivities in MFI target markets as well as little guidance on how to derive rates. MFI policymakers generally...

Expanding access to credit is a key ingredient of development strategies worldwide, and the microfinance industry is generally credited with success in helping to alleviate poverty and improve the lives of the poor. But there is less consensus on the role of consumer loans in credit expansion...

We develop a simple theory which formally describes how charities can resolve the information asymmetry problems faced by small donors by working with large donors to generate quality signals. To test the model, we conducted two large-scale natural field experiments. In the first experiment, a...

We show how financial and managerial constraints impede experimentation and thus limit learning about the profitability of investments. Imperfect information about one’s own type, but willingness to experiment to learn one’s type, leads to short-run negative expected returns to investments,...

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

The long-run price elasticity of demand for credit is a key parameter for intertemporal modeling, policy levers, and lending practice. We use randomized interest rates, offered across 80 regions by Mexico’s largest microlender, to identify a 29-month dollars-borrowed elasticity of -1.9. This...