A note on the properties of Stein-rule and inequality restricted estimators when the regression model is over-fitted. - Sherry Zhefang Zhou (J. Syst. Sci. Complex., 2010)

Estimating the error variance after a pre-test for an interval restriction on the coefficients. - Rong Zhu; Sherry Zhefang Zhou (Comput. Stat. Data Anal., 2011)

Testing inequality constraints in a linear regression model with spherically symmetric disturbances. - Rong Zhu; Sherry Zhefang Zhou (J. Syst. Sci. Complex., 2014)