An article about Kihlstrom and Mirman about comparative risk aversion with many goods is critiqued. If "more risk averse" is interpreted as signifying that an individual is less willing to accept a median-preserving spread, then risk aversion cannot be compared across individuals with different...

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...

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 evaluate the efficiency of expenditure in health care provision by comparing various output measures (life expectancy; infant survival rate; years of life recovered from diseases; population; area) from the health system of Brazilian, Latina America and Caribbean Countries with an expenditure...

The purpose of this work is the exploration of statistical methods and evaluation criteria of relational technology diversification of technical-scientific services provided by the infrastructure of Brazilian scientific and technological research. The technical and scientific services of a...