Fair point, here's a link to the paper from the National Bureau of Economic Research https://www.nber.org/papers/w32313

I'd link to Bypass Paywall Clean extension, but it seems that's been taken down by GitLab[0] in the past few days. Anyway, you can use archive.is to bypass such paywalls[1].

[0] https://news.ycombinator.com/item?id=40015961

[1] https://archive.is/jM0kI