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.

The article discusses the factors influencing the market capitalization of a company. Using data on the thousand largest companies in Europe, taken from the 2009 EU Industrial R&D Investment Scoreboard, the analysis focuses on the impacts of net sales value of each company, investment in...

This paper discusses the sign of the expected measurement error in discretionary accruals (DAC) estimates when accrual models do not control for the asymmetric treatment of gains and losses underlying conservatism. I find that DAC in firms with “bad news” are expected to be understated...

Este artigo avalia a sustentabilidade da política fiscal do Rio Grande do Sul a partir de um modelo de correção de equilíbrio com mudanças Markovianas de regime. São estudadas as dinâmicas de curto e de longo prazo da política fiscal do Estado no período compreendido entre 1970 e 2007....

Portuguese Abstract: O presente estudo tem por objetivo principal analisar o esenvolvimento educacional na região metropolitana de Natal, Rio Grande do Norte, por meio do índice IDEB numa sequência bienal composta por três períodos (2005, 2007 e 2009). Como suporte metodológico, nesta...

Due to the difficulties that the bank activity presents in a financial institution. And when using the dividend discount model in the evaluation of banks, appears the problem of not being able to estimate the net capital expenses and the working capital noncash. Considering that, this work has...

This paper aims to analyze the technical efficiency of farms in Brazil and its regions, based on the data from the 2006 Census of Agriculture. More specifically, it seeks to compare the technical efficiency of farm households in relation to business farms, considering the regional differences in...

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...