Morana, Claudio - In: Applied financial economics 19 (2009) 16/18, pp. 1371-1381
What explains the cross section of expected returns for the 25 size/value Fama-French (FF) portfolios? It is found that modelling time-varying betas is important to explain the cross section of expected returns, as well as to comply with the time series restriction on Jensen-alpha. Support for a...