There is no such thing as a quality problem.
Trend-following is not such a good model. It’s simply eroded. Things change and being able to adjust is what made Mr. Simons so successful. “Statistic predictor signals erode over the next several years; it can be five years or 10 years. You have to keep coming up with new things because the market is against us. If you don’t keep getting better, you’re going to do worse.
Quality should never be compromised, not even in the face of rising costs.
对富有的单身汉应该客以重税。让某些人比其他人更快乐是不公平的。