Developing countries increasingly use biometric identification technology in hopes of improving the reliability of administrative information and delivering social services more efficiently. This paper exploits the random placement of biometric tracking devices in tuberculosis treatment centers...

We introduce a biometric measure of wellbeing – pulse – which has been largely overlooked. Using nationally representative data on 165,000 individuals from the Health Survey for England (HSE) and Scottish Health Surveys (SHeS) we show that its correlates are similar in a number of ways to...