Wei, K. C. John; Lee, Cheng F. - In: Management Science 34 (1988) 10, pp. 1266-1270
This paper generalizes Stein's (Stein, C. 1973. Estimation of the mean of a multivariate normal distribution. Proc. Prague Sympos. Asymptotic Statistics, September 1973.), Rubinstein's (Rubinstein, M. 1973b. A comparative static analysis of risk premiums. J. Bus. 46(October) 604--615; Rubinstein,...