University of Chicago economists Luis Rayo and Gary Becker, a Nobel laureate, have carried this approach one step further and used economics tools to predict which choices make people happy.

• 芝加哥大学的经济学家LuisRayo和诺奖得主GaryBecker，把这种方法推进了一步。他们使用经济学的工具，预测什么样的选择会使人们幸福。