Overview
The Fama/French model is a model within the framework of Arbitrage Pricing Theory. The factors in the model seem to show exess returns, and are sometimes cited as examples that contravene the efficient market hypothesis.
Factors
The original Fama/French model included 3 factors.
- Market Factor
- MSB - small minus big (market capitalization)
- HML - high minus low (book to market ratio)