«Everything which involves turbulence is enormously more complicated, not just a little bit more complicated, not just one year more schooling, just enormously more complicated». (Mandelbrot interview with PBS News Hour, October 21th, 2008 by SOLMAN P.)

The conventional wisdom is that politicians' rent-seeking motives increase public debt and deficits. This is because myopic politicians face political risk and prefer to extract political rents as early as possible. In this paper we study the determination of government debt and deficits in a...

"After decades of trial, error, and occasional regress the pieces of a successful Latin American economic model can be seen scattered among the leading economies of the region. The most traditional macroeconomic maladies of the emerging world - such as chronic fiscal imbalances and monetary...

In most instances, the dynamic response of monetary and other policies to shocks is infrequent and lumpy. The same holds for the microeconomic response of some of the most important economic variables, such as investment, labor demand, and prices. We show that the standard practice of estimating...