A SUGGESTED SIMPLE PROCEDURE TO OBTAIN BLUE ESTIMATOR OF GLOBAL BETA
提出一种简单方法，利用多市场交易信息，为股票的系统性风险（贝塔）提供最优线性无偏估计量，对投资者和金融研究者有用。
Common stocks are typically traded on numerous exchanges both domestically and internationally. The price behaviour of stocks traded in multimarket settings provides investors with additional information regarding the risk characteristics of those shares. In this paper we provide a simple procedure to obtain the best linear unbiased (BLUE) estimator of relevant systematic risk (beta) of a stock by incorporating as much information as is possibly available in the market place.