Analyzing the universe of federal environmental regulations in the U.S., we construct a measure of regulations--direct taxes on pollution. Analyzing the universe of firms' investor disclosures, we construct a measure of material environmental concerns--indirect taxes on pollution. These two...

Year-ahead forecasts of tax revenues incorporated into IMF programs for low-income countries, from 1993 to 1999, are compared with the corresponding outturns. The accuracy of these forecasts was low, with a mean absolute percentage error of 16 percent. Forecasts of tax revenues as a percentage...

A decade into the transition, many of the successor states of the former Soviet Union (FSU) continue to use energy sector quasi-fiscal activities (QFAs), especially low energy prices and the toleration of payment arrears, to provide large implicit and untargeted subsidies. These activities...

We study optimal monetary and fiscal policies in a New Keynesian model with heterogeneous agents, incomplete markets, and nominal rigidities. Our approach uses small‐noise expansions and Fréchet derivatives to approximate equilibria quickly and efficiently. Responses of optimal policies to...

We develop a theory of endogenous and stochastic fluctuations in economic activity. Individual firms choose to randomize over firing or keeping workers who performed poorly in the past to give them an ex ante incentive to exert effort. Different firms choose to correlate the outcome of their...