"The vogue of vulgar and vague Coaseism, one hypothesizes, is strongest among libertarians and other devotees of laissez-faire who believe to find in it ammunition against regulation and voters' activism. Whether this hypothesis is close to or wide off the mark is of no importance. What does matter is how much deadweight-loss obtains in real life."
January 1, 1970
https://en.wikiquote.org/wiki/Paul_Samuelson