TY - JOUR T1 - Loosening the Long-Only Constraint JF - Special Issues SP - 142 LP - 147 VL - 2008 IS - 1 AU - Will Cazalet Y1 - 2008/06/20 UR - https://pm-research.com/content/2008/1/142.abstract N2 - Active managers constantly seek ways to add alpha to their portfolios to boost performance. Almost invariably, they do so against a backdrop of constraints imposed upon them by investors and their advisers. These constraints typically include limits on how over-or underweight a manager's portfolio may be in a particular stock, sector, or country, as well as market capitalization or beta neutrality. But one of the most significant constraints imposed on many managers today is that which precludes them from holding short positions in their portfolio; relaxing this constraint, even by a modest amount, can have a significant effect on overall portfolio performance. ER -