The ideal of behaviorism is to eliminate coercion: to apply controls by changing the environment in such a way as to reinforce the kind of behavior that benefits everyone.
经济周期的福利成本并非周期本身,而是个体无法随时间平滑消费的能力。
我相信每一个成人的内心深处,都潜伏着一个爱做游戏的天真孩童,只不过随着时光流逝,蒙上了世故的尘土。