@article {ang2007stock, title = {Stock return predictability: Is it there?}, journal = {Review of Financial studies}, volume = {20}, year = {2007}, pages = {651{\textendash}707}, author = {Ang, Andrew and Bekaert, Geert} } @article {Ang_Bekaert2002, title = {International asset allocation with regime shifts}, journal = {Review of Financial studies}, volume = {15}, year = {2002}, pages = {1137{\textendash}1187}, author = {Ang, Andrew and Bekaert, Geert} }