“One bias results from the use of appraisal data in the absence of market transaction data. Appraisal values tend to be less volatile than market determined values for identical assets. As a result, measured volatilities are biased downward and correlations with other assets tend to be exaggerated.”怎么理解
2022A下午題case2，我感覺B選項(xiàng)的解釋是同意B選項(xiàng)的觀點(diǎn)的。雖然感覺C100%對，但是沒感覺B表述哪里錯(cuò)了。
Ex post risk不是會(huì)低估ex ante risk么
沖刺筆記P17這兩段話，麻煩老師講解下，謝謝
被平滑掉的越多是指λ越大嗎？被平滑掉的不應(yīng)該是真實(shí)收益嗎，針對的不應(yīng)該是1-λ？下面這個(gè)關(guān)于var的式子該怎么理解呢？
復(fù)利為什么沒有用1.009的74次方？把單例年利率0.9%乘以74，用來算連續(xù)復(fù)利這個(gè)地方不太理解。
老師講的，高于預(yù)期，沒有吸引力，低于預(yù)期才有，這 個(gè)跟文字第一句：rising rate attractive decling rate unattractive 如何理解和區(qū)分
請教第三題為什么發(fā)展中國家的歷史數(shù)據(jù)需要調(diào)整而發(fā)達(dá)國家不需要呢？
官網(wǎng)課后題，這個(gè)解釋看不太懂什么意思，為什么是countryC 而不是country B?
請問文字題會(huì)倒扣分嗎，比如題目問A的三個(gè)好處，我答了兩個(gè)A的好處和一個(gè)B的好處，那寫錯(cuò)的部分會(huì)倒扣分嗎
“equity-vs-bonds” premium method是什么？官網(wǎng)課后題提到的
老師，還有6個(gè)月slowdown，買債券還是房地產(chǎn)
為什么在 early expansion phase of the business cycle, monetary policy is becoming less stimulative？
When two currencies are pegged or linked, the bond yields of the country with the weaker currency are likely to rise higher unless the market is confident that the government will maintain the peg. 怎么理解這句話
If a country’s exchange rate is severely undervalued and is expected to rise substantially against another country’s, then bond yields in the first country will be lower than they would otherwise be in relation to the other country. 這是為啥？
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