Comparação de testes de raiz unitária e cointegração em modelos de longa dependência

In this work two tests based on the bootstrap technique are considered to test the presence of unit root and relations of cointegration in long memory processes. The proposed tests use the GPH estimator considered by Geweke and Porter-Hudak (1983) for estimating the memory parameter d of ARFIMA(p,d,...

Full description

Bibliographic Details
Main Author: Alves, Fabiana Assis
Other Authors: Reisen, Valdério Anselmo
Format: Dissertação
Language:Portuguese
Published: Universidade Federal de Minas Gerais 2025
Subjects:
Online Access:https://hdl.handle.net/20.500.14135/1627