Principal Component Estimators in Regression Analysis David C. Cheng; Harvey J. Iglarsh The Review of Economics and Statistics 1976 58(2), 229
Expectations, Tobin's q, and Investment: A Note Henry W. Chappell; David C. Cheng Journal of Finance 1982 37(1), 231
Expectations, Tobin's q, and Investment: A Note Henry W. Chappell; David C. Cheng Journal of Finance 1982 37(1), 231-236