This article implements the minimum variance frontier for the stochastic discount factor, according to both Hansen and Jagannathan (1991) and Cochrane and Hansen (1992), for the Brazilian stock market. Two approaches are considered in terms of equity returns and equity premium, respectively, the...

This paper tests for horizontal tax competition in the VAT for a sample of Brazilian states in the period 1985-2001. The states have considerable autonomy to set their VAT rates and bases, often using this tax as an industrial policy tool. The empirical findings, based on the estimation of a tax...