Wall Street Quants and the inherent failures of risk management
5th October 2008
Steve Sailer is always worth reading.
This suggests that there is no way to avoid disasters permanently. That’s no doubt true. But we can make them rarer and less catastrophic just by being less stupid. Consider two economies, both of which either grow 5% per year or shrink 5% per year. The first economy is more bubble-prone, so it grows for seven years then shrinks for three years. The second economy grows for ten years, then shrinks for two years. Over the course of sixty years (six cycles for the first economy, five for the second), the second economy will end up over twice as big.