Q&A: Ron Dembo on crowd-spotting black swans
Veteran quant argues large groups are better at gauging extreme uncertainty than small teams of experts
The future isn’t what it used to be – at least, not if judged by the financial industry’s efforts at modelling it.
Time and again, the standard method of estimating losses by looking at what has happened before – imagining the future by selectively replaying the past – has been found wanting.
Covid-19 is just the latest example. For every day that passes with the world’s largest economies under lockdown, the outlook darkens – tens of billions of dollars in loan losses, double-digit hits to
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