Individual self interest does not always benefit society, he argues, and draws on a deep pool of research (what he calls "reality-based economics") to support his case.
他认为个人的利益并不总是对社会有利，并利用深入调研(作者称之为“基于现实的经济学”)加以证明。
2
Is economics as a theory of rational behavior at an individual level?
作为一个理性的行为经济学理论在个人层面。
3
According to rational economics, these are driven by individual self-interest.