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Keyword: nonstationary fractional integration;

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Econometrics Paper

The Distance between Rival Nonstationary Fractional Processes

Peter M Robinson

Asymptotic inference on nonstationary fractional time series models, including cointegrated ones, is proceeding along two routes, determined by alternative definitions of nonstationary processes. We derive bounds for the...Read more...

March 2004

Econometrics Paper

Weak Convergence of Multivariate Fractional Processes - (Now published in 'Stochastic Processes and their Applications', 80 (1999), pp.103-120.)

D Marinucci and Peter M Robinson

Weak convergence to a form of fractional Brownian motion is established for a wide class of nonstationary fractionally integrated multivariate processes. Instrumental for the main argument is a result of some independent...Read more...

July 1998