請(qǐng)問risk premium和 rate of change怎么理解，兩種數(shù)據(jù)做題時(shí)怎么選擇
老師好，A選項(xiàng)market maker和B選項(xiàng)employee擔(dān)任director為什么都有利益沖突？
老師這里算下來E（rp）-r=10.13%，E（rp）=11.63%吧？
老師好，解析里 Banks using an OTD model get higher fees for sourcing loans with higher interest rates. 這句話是什么意思？謝謝！
老師，根據(jù)你說的針對(duì)于公司治理的定義（用來調(diào)節(jié)股東和管理層的代理問題），豈不是沒有上市的公司都不需要公司治理了？
老師好，看了之前的解答，小盤股和價(jià)值股理應(yīng)獲得更高的回報(bào)的原因是一樣的嗎？即more likely to be in financial distress 和 be more sensitive to changes in business conditions 是一個(gè)意思是嘛？謝謝！
A stock with an expected return of 9.0%：不應(yīng)該表示E(rp)嗎為什么題目中表示成了R（f）
factor up代表的是什，卡面的代筆表的是什么
F&F have observed: firms with high ratios of book-to-market value are more likely to be in financial distress and that small stocks may be more sensitive to changes in business conditions. 如何理解這句好
? The differences between CAPM and APT: ? CAPM is a one-factor model and APT is a multi-factor model. ? CAPM is a special case of APT. ? APT is often used to decompose the factors' respective contributions to the expected return.中最后APT is often used to decompose the factors' respective contributions to the expected return.如何理解這句話
each by a relatively small dollar amount如何理解
There are no arbitrage opportunities among well-diversified portfolios.中如何理解well-diversified portfolios
老師好，視頻1:43:40的tail loss用insurance來覆蓋，和覆蓋EL的保費(fèi)有什么區(qū)別？謝謝！
如何理解U效用，全程是什么？
風(fēng)險(xiǎn)厭惡者，不應(yīng)該覺得風(fēng)險(xiǎn)越高，E(R)越小嗎？為啥越大，風(fēng)險(xiǎn)偏高者相反，不應(yīng)該風(fēng)險(xiǎn)越改，E(R)越高嗎？
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