@article {Kat58, author = {Harry M. Kat}, title = {Why Indexation Can Be a Dangerous Strategy}, volume = {6}, number = {1}, pages = {58--63}, year = {2003}, doi = {10.3905/jwm.2003.320475}, publisher = {Institutional Investor Journals Umbrella}, abstract = {In this brief note, the author shows that significant autonomous changes may occur in the risk-return profile of index replicating portfolios. Although the name of the index doesn{\textquoteright}t change, the underlying risks do. Investors should therefore check regularly whether the index is still what they think it is, and if not make the necessary adjustments.}, issn = {1534-7524}, URL = {https://jwm.pm-research.com/content/6/1/58}, eprint = {https://jwm.pm-research.com/content/6/1/58.full.pdf}, journal = {The Journal of Wealth Management} }