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"Residual-based tests for cointegration in models with regime shifts." with Allan Gregory, Journal of Econometrics, (1996). [Download].
"Approximate asymptotic p-values for structural change tests." Journal of Business and Economic Statistics, (1997). [Download].
"Testing for structural change in conditional models." Journal of Econometrics, (2000). [Download].
"The new econometrics of structural change: Dating Changes in U.S. Labor Productivity." Journal of Economic Perspectives, (2001). [Download].