\begin{thread}
This is easier said than done, however.
These studies exploit natural experiments to measure causal effects, & have been enabled by improved data availability.
kfinlay.github.io/pdf/FinlayNeum…

papers.ssrn.com/sol3/papers.cf…

drive.google.com/file/d/18WJH0J…

docs.google.com/viewer?a=v&pid…

carolinaarteaga.com/job-market-pap…

dropbox.com/s/kjln6br7ord1…

web.stanford.edu/~sitian/sitian…

nber.org/papers/w24878.…
