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。
To lose a language is to lose a way of seeing the world.
学习一种新编程语言的唯一方法是用它编写程序。
When stocks are attractive, you buy them. Sure, they can go lower. I’ve bought stocks at $12 that went to $2, but then they later went to $30.
Efficiency in grain production isn't an option—it's a necessity.