This discussion paper presents a methodology to visualize the effects of various influences on the income distribution. The methodology, although not new, has become very popular in the past few years. It is the method of counterfactual simulations. In other words, it is the use of "what if …"...

This paper calculates effective tariffs by economic sector for Brazil from 2000 to 2015. The effective tariff differs from the nominal tariff in that it takes into consideration the protection given to inputs along the production chain. A sector whose products are protected by high tariffs may...

Over recent years, several nonlinear time series models have been proposed in the literature. One model that has found a large number of successful applications is the threshold autoregressive model (TAR). The TAR model is a piecewise linear process whose central idea is to change the parameters...