Tuesday, March 23, 2010

The outdated metrics

Chasing the Same Signals
Brian R. Brown
( http://www.wiley.com/)

Make place for the black-box

Many of the metrics used in previous decades have little meaning in today's complex marketplace, writes Brian R. Brown in Chasing the Same Signals: How black-box trading influences stock markets from Wall Street to Shanghai. Examples of outdated metrics that Brown mentions are market share, and the percentage of total market turnover by a dealer-broker.


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