Once firms had to pay to pollute, they became incredibly inventive at figuring out cheaper ways to eliminate their SO2 emissions.
Bob FrankPrescriptive regulations, such as telling electric utilities what kinds of coal to burn or what kinds of scrubbers to install on their smokestacks, were not only intrusive, they were also grossly inefficient.
Bob FrankVirtually all families in the middle of the earnings distribution aspire to send their children to a school of at least average quality. (We'd think ill of any parent whose aspirations were lower.) The rub is that the best schools tend to be located in more expensive neighborhoods.
Bob Frank