"The NBER Bulletin on Aging and Health provides summaries of publications like this. You can sign up to receive the NBER Bulletin on Aging and Health by email. This paper investigates how increases in the level of maximum earnings subject to the Social Security payroll tax have affected Social...

The aim of this paper is to analyze the impacts of the reduction of the Brazilian Tax on Industrialized Products (IPI) on the local sales of vehicles during the period between January and November of 2009. In order to evaluate these impacts, sales have been modeled as a function of price, income...