Cointegration has frequently been used in the financial econometrics literature to assess the degree of interdependence … whether these indices are cointegrated. We show that while heteroscedasticity alone is able to mislead cointegration tests, it … features. We conclude that cointegration is not a suitable method to analyze stock market interdependence …

regression models, 2010) as well as the cointegration tests developed in Arai and Kurozumi (Testing for the null hypothesis of … cointegration with a structural break, 2007) and Kejriwal (Cointegration with structural breaks: an application to the Feldstein …- Horioka Puzzle, 2008). The results obtained are consistent with the existence of linear cointegration between the log stock …