Economic policies command bipartisan support only when they're incoherent. Steven Landsburg More Quotes by Steven Landsburg More Quotes From Steven Landsburg A well-known mathematician once told me that the great thing about liking both math and sex was that he could do either one while thinking about the other. Steven Landsburg math sex thinking It is something of a miracle that individual selfish decisions (in a market economy) must lead to a collectively efficient outcome. Steven Landsburg selfish miracle decision Most of economics can be summarized in four words: 'People respond to incentives.' The rest is commentary. Steven Landsburg incentives four people