The Importance of Econometric Methods in Data Mining

The world is much more complicated. It's all one big network and dynamic and whatever. And yeah, accounting data does matter, but it matters in a highly nonlinear kind of way. So therefore, there's this kind of a rediscovery that happens within the quant world. But at the moment, I don't really seem to see any kind of wisps or kind of desire to reinvent the whole nature of mean variance, portfolios or factors"