@article {Bruce2, editor = {Bruce, Brian R.}, title = {Editor{\textquoteright}s Letter}, volume = {2}, number = {1}, pages = {2--3}, year = {2011}, doi = {10.3905/jii.2011.2.1.002}, publisher = {Institutional Investor Journals Umbrella}, issn = {2154-7238}, URL = {https://jii.pm-research.com/content/2/1/2}, eprint = {https://jii.pm-research.com/content/2/1/2.full.pdf}, journal = {The Journal of Beta Investment Strategies} }