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Factors Investing 1/2 (Factors Theory (Factor theory & CAPM (Factor…
Factors Investing 1/2
Factor theory & CAPM
CAPM
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Lesson
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Lesson 5: Assets在bad time時 paying off(表現好), 長期就會是低risk premiums, 低beta
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Multifactor & EMH
Multifactor
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CAPM Failure
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假設是mean-variance utility(現實對risk的感受是不對稱, loss的stress比gain的pleasant大)
假設是single-period, 不用rebalance(現實是長期)
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Factors
Macro Factors 影響所有人&價格 不能直接投資, 需關注shock
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Volatility
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VIX 和 Stock 回報是反向關係,因為波動率很高 投資者認為自已承擔了風險, expected回報上升 require 回報較大,所以折現後股票價格會下降 Stock下降--> Equity 下降 但L不變所以桿杆變大
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Other: Productivity, Demographic, Political 對短期投資者影響不大
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