@inproceedings{inproceedingsd23f6073, title = {Co-persistence in conditional variances of Brazilian, Korean and American stock market indexes}, author = {Alves, Denisard and Bueno, Rodrigo De Losso S}, year = {1998}, publisher = {Sociedade Brasileira de Econometria}, booktitle = {Encontro Brasileiro de Econometria} }