The effects of TV content on entrepreneurship: Evidence from German unification
sciencedirect.com
sciencedirect.com
One thing not covered is that its outliers are the states with large missile batteries: MT, ND, WY and AK. While NE and CO have missiles, those are controlled from Cheyanne.
It's pretty unusual in economics to not circulate your article publicly. The published version is usually just a more boring version of the working paper. (I didn't compare to the published version here, so I don't know if it's the case.)