true variance 中文意思是什麼
true variance
解釋
真變異數-
In fact, it is the special system of our country that increase the incoherence and unconditionally of all the stockholders and the lack of the true investors. these two elements increase the stockholders " dissimilated behavior. in dividend policy, the difference of payment level resulted from the variance of the controlling degree embodies not the difference of stockholders " decision making to increase the company " value but the particular preference of the nonnegotiable shareholders and the management
而最根本的原因是由於我國特定製度安排導致了股東群體的非一致性和非制約性的強化以及真正投資主體的缺位,兩個因素的共同作用加劇了股東行為的異化,表現在股利政策上,由股權控制度變化產生的支付水平差異主要體現為非流通股股東及管理層的特殊偏好,而從質的角度,以公司價值為目標的真正股東化主體的決策差異分析無效。 -
When > 0, and the independent variables are positively correlated over time, the second term is positive, so the usual ols variance underestimates the true variance of the estimator
當> 0 ,而且自變量在時間上是正相關時,第二項為正,因此通常的ols方差低估了估計量真實的方差。
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