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The capital asset pricing model is a model that allows to determine the theoretical rate of asset returns required by an investor, given the asset systematic risk or market risk.

8 votes

Is CAPM a cross sectional or time series model?

To answer your question directly: CAPM is a cross-sectional model, and is NOT a time series model. … CAPM aims at explaining variance of single asset's return by overall market return of the same period. …
Will Gu's user avatar
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6 votes

How to use factor models for prediction?

You kinda mentioned in your questions, but the predictive model is essentially a lagged version of the "factor model". Part of the problem comes from the subscripts, the model itself doesn't really co …
Will Gu's user avatar
  • 712