@article {Bernstein9, editor = {Bernstein, Peter L.}, title = {Editor{\textquoteright}s Letter}, volume = {31}, number = {3}, pages = {9--9}, year = {2005}, doi = {10.3905/jpm.2005.502635}, publisher = {Institutional Investor Journals Umbrella}, issn = {0095-4918}, URL = {https://jpm.pm-research.com/content/31/3/9}, eprint = {https://jpm.pm-research.com/content/31/3/9.full.pdf}, journal = {The Journal of Portfolio Management} }