@article {Bernstein1, editor = {Bernstein, Peter L.}, title = {Editor{\textquoteright}s Letter}, volume = {25}, number = {4}, pages = {1--2}, year = {1999}, doi = {10.3905/jpm.1999.390960}, publisher = {Institutional Investor Journals Umbrella}, issn = {0095-4918}, URL = {https://jpm.pm-research.com/content/25/4/1}, eprint = {https://jpm.pm-research.com/content/25/4/1.full.pdf}, journal = {The Journal of Portfolio Management} }