Rob Shimer, the Chair of @UChicago 's Econ Department e-mail announcing to the department Robert Lucas passing explains wonderfully how important was his contribution to Macroeconomics. I post it with his permission, with the caveat that it was meant for Lucas' collegues here.
🐦🔗: https://n.respublicae.eu/lugaricano/status/1658190908125241367