@article{article4c91f16b,
title   = {Purchasing power parity in Brazil: a test for fractional cointegration},
author = {Alves, Denisard and Cati, Regina Celia and Fava, Vera Lúcia},
year = {2001},
doi = {10.1080/00036840010004572},
journal   = {Applied Economics}
}