Economics should be defined in terms of what it is about. It should be about how people produce things, how people exchange them, how people earn income, how they pay taxes, how the government provides infrastructure with tax revenue, and how it conducts monetary policy. The subject has to be defined in terms of the object of inquiry.

I am one of the most successful economists, according to what markets tell us, though most of my professional colleagues, who are much keener to accept market outcomes than I am, would dismiss me as a crank or - the worst of all abuses among economists - a 'sociologist.'

Sometimes people with strong ideology, whether left-wing or right-wing, refuse to do something simply because they believe it is wrong, when doing it actually benefits them. For some people, it's not just about money and political power.

Ha-Joon Chang Quotes