Mr Werning and his co-author, Emmanuel Farhi (a young Harvard macroeconomist), point out that the biggest roll of the dice in life is the family you are born into.

• Werning先生和他的合著者EmmanuelFarhi（一个年轻的哈佛宏观经济学家）指出生活中最大的滚动的骰子就是你出生的家庭。