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This paper proposes a latent dynamic factor model for low- as well as high-dimensional realized covariance matrices of stock returns. The approach is based on the matrix logarithm and allows for flexible dynamic dependence patterns by combining common latent factors driven by HAR dynamics and...
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Sellers of variance swaps earn time-varying risk premia for their exposure to realized variance, the level of variance swap rates, and the slope of the variance swap curve. To measure risk premia, we estimate a dynamic term structure model that decomposes variance swap rates into expected...
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stock pricing was Capital Asset Pricing Model (CAPM) given by William Sharpe in 1964. After that a deluge of pragmatic … evidence came up and challenged the CAPM. Despite being criticized by several researchers, CAPM became a basis for the … of stocks than CAPM, and the anomalies of CAPM are captured by the three-factor model. The present study is an attempt to …
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