https://www.nber.org/system/files/working_papers/w27157/w27157.pdf https://www.nber.org/system/files/working_papers/w27157/w271... What the fuck are you even t

https://www.nber.org/system/files/working_papers/w27157/w27157.pdf https://www.nber.org/system/files/working_papers/w27157/w271... What the fuck are you even talking about?