Purchasing Power Parity in Brazil: A Test for Fractional Cointegration

Denisard C. O. Alves (), Regina Celia Cati and Vera Lucia Fava

Applied Economics, 2001, vol. 33, issue 9, pages 1175-85

Abstract: The purpose of this paper is to test the validity of the purchasing power parity (PPP) doctrine in Brazil. Historical data for the period 1855-1996 are considered. The period 1855-1990 is also analysed in order to compare the results with those obtained by Zini and Cati (1993) using the conventional cointegration analysis. This article uses fractional cointegration analysis, a flexible methodology which allows for more subtle forms of mean reversion. The tests performed are those of Geweke and Porter-Hudak (1983), and of Hurvich and Ray (1995). The critical values for both tests are generated by simulation because they are non-standard. The empirical results do not support the absolute PPP hypothesis but the relative PPP holds in the long run. Copyright 2001 by Taylor and Francis Group

Date: 2001
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