Platen and West (2004) explain furthermore that the concurrence between companies incline to decrease this riskparameter.
滚筒和西(2004)进一步解释，同意公司之间倾斜，以减少风险参数。
2
We discussed the effect produced by risk function on deciding rule between two parameter estimators, gave a probability rule for choosing estimator.
探讨了风险函数对评判参数估计优劣的影响，提出了衡量估计优劣的一个概率判定准则。
3
The paper analyses the parameter uncertaintys effect on the investors optimal portfolio choice, it suggests if the investor ignores the estimation risk, he may by lead to take p.