Not all factors are created equal:

Vanguard — Constructing return-target portfolios: A time-varying, valuation-aware approach to asset allocation

Macro

Vanguard — Asset location for equity

Macro

Vanguard — Comment Letter: Conflicts of Interest and Predictive Data Analytics

Macro

Stretch your financial muscles:

Macro

Vanguard — Saving and investing in 529 plans

Macro