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Long-Run PPP May Not Hold After All.
Engel, C., (1996)
On the Robustness of Cointegration Tests when Series Are Fractionally Integrated.
Lee, T.H., (1995)
Los contrastes de raiz unitaria: una panorámica.
Vega, María del Mar Sánchez de la, (1994)
Pitfalls in Testing for Long Run Relationships.
Gonzalo, J., (1995)
Cointegration and Aggregation.
Gonzalo, J., (1992)