A bootstrap algorithm proposed by Psaradakis (2001) for hypothesis testing in I(1) regressions is discussed and shown to be valid only under the null hypothesis. A simple correction making the procedure valid under both the null and the alternative hypothesis is proposed.

Este trabalho tem como objectivo a realização de uma analise da economia brasileira, em 1960-2000, numa perspectiva sectorial. Os modelos econometricos e o teste de causalidade de Hausman mostram que o incremento da produção manufactureira e necessario para lograr um desenvolvimento...

We estimate DEA (Data Envelopment Analysis) technical efficiency scores for 1170 Brazilian hospitals included in the SUS (Central Health System) using a recently proposed method that combines bootstrap and jackknife resampling to eliminate the influence of outliers and possible measurement and...

Portuguese Abstract: Depois de reduzir as taxas inflacionárias e compor um lastro em reservas cambiais para dar segurança às movimentações do comércio exterior brasileiro, em termos macroeconômicos, a redução da taxa de juros SELIC é a mais importante aquisição recente da economia...

This paper discusses central banking and the operation of monetary policy from a post-Keynesian perspective. It examines some current propositions concerning the conduct of monetary policy - such as inflation targets, contingent rules, and central bank independence - under the assumption that...

The purpose of this paper is to examine effects of Brazilian "Plano Real" on credit during the initial years of implementation, and the profile of the borrower during this period. After the adoption of the Plano Real, there was an increase in the duration of contracts, from a maximum of 3 months...