optimistic bias中文什么意思

be optimistic: 保持樂(lè)觀(guān)的心態(tài)
optimistic: adj. 樂(lè)天主義的；樂(lè)觀(guān)的。 -tical-ly n.
be cautiously optimistic: 謹(jǐn)慎的樂(lè)觀(guān)244
be not too optimistic: 不容樂(lè)觀(guān)
be optimistic about: 對(duì)......感到樂(lè)觀(guān); 對(duì)…樂(lè)觀(guān); 對(duì)于…感到樂(lè)觀(guān)

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optimistic bias toward aids hiv among chinese university students
大學(xué)生對(duì)艾滋病的樂(lè)觀(guān)偏差
but the historical evidence of the existence of a large optimistic bias in their views casts grave doubts on these claims
但鑒于他們過(guò)去偏向唱好有關(guān)公司的表現(xiàn)，難免令人懷疑仍否存在利益沖突的問(wèn)題。
alan greenspan expects that with greater transparency of the analysts recommendations and of their ex post results, market discipline will lead to the optimistic bias of the investment analysts to diminish rather rapidly
格氏認(rèn)為提高投資分析員編制投資建議的透明度，并以實(shí)際業(yè)績(jī)比照他們的評(píng)估，可以增加市場(chǎng)自律，投資分析員偏向唱好的現(xiàn)象便會(huì)大為減少。
in fact, according to mr greenspan, the optimistic bias of investment analysts " apparently has been especially large when the brokerage firm issuing the forecast also serves as an underwriter for the company s securities "
事實(shí)上，格氏指出若就某公司發(fā)出盈利預(yù)測(cè)的經(jīng)紀(jì)行同時(shí)擔(dān)任該公司的證券包銷(xiāo)商，偏向唱好的情況便更明顯。投資分析的客觀(guān)水平如何，已經(jīng)不言而喻。

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