Evidence is also mounting that other factor premia, such as
value and low beta, are also time
varying and predictable.3 Table 1 reports for a number of popular factors the one - year - ahead
predictive regression using the valuation spread as the
predictive variable.
Although the number, shape, and
predictive validity of internalizing trajectory classes were similar across gender, trajectory classes» initial
values and rates of change
varied significantly across gender, as did the impact of maternal postpartum depression and anxiety on latent growth factors.