Be Wary Of Economists Wielding Short Samples
Correlation by xkcd, a webcomic Oh, the age-old correlation-implies-causation argument. Please reference the blog titled “How to Spot Advocacy Science: John Taylor Edition” posted yesterday by Freakonomics. It depicts charts prepared by Stanford professor John Taylor and acknowledged by Harvard professor Greg Mankiw (who also linked to the charts without a word about their veracity…until …