I don’t have access to the first paper you linked
Here is your paper:
https://sci-hub.yncjkj.com/10.1257/aer.20180338
You should bookmark sci-hub
https://sci-hub.mksa.top/
(or rather mentally bookmark the name sci-hub, as the url get knocked around a bit)
Here is your paper:
https://sci-hub.yncjkj.com/10.1257/aer.20180338
You should bookmark sci-hub
https://sci-hub.mksa.top/
(or rather mentally bookmark the name sci-hub, as the url get knocked around a bit)