TY - JOUR T1 - Sector Allocation for ETFs JF - ETFs and Indexing SP - 105 LP - 110 VL - 2006 IS - 1 AU - Robert W. Colby Y1 - 2006/09/21 UR - http://guides.pm-research.com/content/2006/1/105.abstract N2 - Sector allocation is a useful tool for constructing sound or superior reward/risk balanced portfolios. Exchange-traded funds (ETFs) might offer a convenient and relatively easy way to achieve sector allocation that can enhance alpha and limit risk. Past performance shows that overweighting or underweighting a small number of sectors can make large differences in performance. ER -