σ1、σ2怎么算的？
精 Expenses are lower for ETFs , but, unlike mutual funds, investors do incur brokerage cost.這句話怎么理解呢，是ETF費(fèi)用更低嗎？brokerage誰低呢？
精 有效收益率和持有期收益率之間是什么關(guān)系？
C 為什么不對(duì)？ 為什么選擇B？
老師，想問下這道題A、C選項(xiàng)怎么理解？謝謝！
這里的c選項(xiàng)是時(shí)間加權(quán)呀，老師講解的c選項(xiàng)是幾何平均
老師這一題是只有用計(jì)算器的CF功能才能算出來么，我記得上課的時(shí)候不是用的計(jì)算器呢，按時(shí)間加權(quán)呢還有等權(quán)重的呢，是不是都是這一個(gè)知識(shí)點(diǎn)里面的
為什么endowment bias中問”would you buy this security today at the current price？”可以幫助評(píng)估當(dāng)前價(jià)格的合理性？
Reading50第41題老師講解：SML和CML不對(duì)非系統(tǒng)性風(fēng)險(xiǎn)進(jìn)行補(bǔ)償，這和第13題market model 對(duì)系統(tǒng)性風(fēng)險(xiǎn)和非系統(tǒng)風(fēng)險(xiǎn)進(jìn)行補(bǔ)償有沖突嗎？什么是market model?
- Q25 決定單個(gè)資產(chǎn)期望收益的最主要因素是beta，如何理解With respect to the capital asset pricing model, the primary determinant ofexpected return of an individual asset is the:A asset’s beta.B market risk premium.C asset’s standard deviation.
- Q24 資本市場(chǎng)理論，什么叫被正確的定價(jià)？With respect to capital market theory, correctly priced individual assets can beplotted on the:A capital market line.B security market line.C capital allocation line.
- Q23證券特征線為什么不是CAPM模型？The graph of the capital asset pricing model is the:A capital market line.B security market line.C security characteristic line.
With respect to return-generating models, the slope term of the market model is an estimate of the asset’s:A total risk.B systematic risk.C nonsystematic risk. return-generating models 是什么？market model是什么？這個(gè)是新考綱的內(nèi)容嗎？
精 14 The sum of an sset’s systematic variance and its nonsystematic variance ofreturns is equal to the asset’s:A beta.B total risk.C total variance.- Q14為什么用方差代表系統(tǒng)性風(fēng)險(xiǎn)和非系統(tǒng)性風(fēng)險(xiǎn)？
With respect to capital market theory, the optimal risky portfolio:A is the market portfolio.B has the highest expected return.C has the lowest expected variance.如何理解根據(jù)資本市場(chǎng)理論，最優(yōu)風(fēng)險(xiǎn)組合是市場(chǎng)組合
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