A government desiring support for its policy reform program, without coercion, behaves as if it faces a political constraint. Citizen support depends on the estimate, by at least some minimum proportion of the population, that the program will succeed and the outcome will be in their individual...

How should possible policy reforms and projects be assessed when prices give misleading signals? Revenues and costs at market prices then give distorted measures of social gains and losses and our appraisal should use social opportunity costs, or correctly defined, shadow prices. We show how...