This paper evaluates the effects of quality change on the price index for new passenger cars in Portugal for the years 1997-2001. Hedonic regression models are studied, giving particular emphasis to the relation between the form of the price index and the specification of the hedonic equation...

This paper develops a new measure of quarterly discretionary tax shocks for Portugal that result from changes in legislation, following the narrative approach. It covers the years from 1996 to 2012 and was based on a comprehensive analysis of tax policy measures taken in the course of this...

This paper develops a new measure of US fiscal policy shocks that intends to avoid the anticipation problem affecting conventional measures, being also arguably free from endogeneity. The shocks are intended to capture changes to the component of anticipated fiscal policy that is exogenous to...