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Do Quant Models Need to Be Updated?
Is it possible for a quant manager to maintain an edge? And if so, how frequently are you having to change your model? Or are there persistent factors that just work for behavioral reasons or something along those lines? I think what we've been in David before the show, you and I were just joking that it's been a tough market to be an as an institutional investor over the last decade. Emerging market strategies have actually done quite well.