Policy rules are superior to discretion because they eliminate the time inconsistency problem.
政策规则优于自由裁量,因为它们消除了时间不一致性问题。
I love to compete. That's what I do. That's why I work so hard at it.
"I just love racing. That's what I live for."
力的统一不仅是数学上的梦想,更是物理上的必然。
A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.