Quants and the Efficient Market Theory

Interesting piece from The Economist:

http://www.economist.com/news/finance-and-economics/21722669-theory-changing-traders-behaviour-and-vice-versa-efficient-market-theory

Related: Machine Learning in Finance

http://www.economist.com/news/finance-and-economics/21722685-fields-trading-credit-assessment-fraud-prevention-machine-learning