There may be a price to pay (in terms of inefficient coverage) if competition among health insurers is encouraged as a way to give patients greater choice and to achieve better control over insurance providers

Voters in India are more vigilant in monitoring government at the local than at the national level. In state assembly elections voters reward incumbents for local income growth, and punish them for a rise in inequality, over their entire term in office. But in national elections voters behave...

Many analysts decry the level of investment in Africa, saying it is too low. But there is no evidence, in cross-country data or in microeconomic data from Tanzania, that private and public capital is productive in Africa. In that sense, investment in Africa may be viewed as too high

Pigou's conjecture was that under costly taxation public expenditures should not reach the point where marginal benefits equal marginal costs. In the treatment here, public expenditures (and environmental protection) may provide public goods for consumption but also collective inputs for...