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A MODIFIED INFORMATION CRITERION FOR COINTEGRATION TESTS BASED ON A VAR APPROXIMATION
Qu, Zhongjun, (2007)
A Stochastic Volatility Model with Random Level Shifts: Theory and Applications to S&P 500 and NASDAQ Return Indices
Qu, Zhongjun, (2008)
Estimating and testing structural changes in multivariate regressions
Qu, Zhongjun, (2005)