当没有人相信你时,你必须相信自己。
I love competing. I love playing. I love being out there in the arena.
The problem with words is that you never know whose mouths they have been in.
货币政策中的时间不一致性问题出现在政策制定者一旦经济主体形成预期后,就有动机偏离他们宣布的政策。