@article {Bernstein1, editor = {Bernstein, Peter L}, title = {How Speculative was the Bull Market?}, volume = {15}, number = {1}, pages = {1--1}, year = {1988}, doi = {10.3905/jpm.15.1.1}, publisher = {Institutional Investor Journals Umbrella}, issn = {0095-4918}, URL = {https://jpm.pm-research.com/content/15/1/1}, eprint = {https://jpm.pm-research.com/content/15/1/1.full.pdf}, journal = {The Journal of Portfolio Management} }