How are "natural experiments" made?
Chartbook #45 on David Card’s work on immigration, wages and the Mariel boat lift.
adamtooze.substack.com/p/chartbook-45… https://t.co/K2JckQQb85
RT @MehrsaBaradaran: Cool to wait a hundred years to determine that the SEC was unconstitutional. Wonder what changed in the
RT @MehrsaBaradaran: Cool to wait a hundred years to determine that the SEC was unconstitutional. Wonder what changed in the meantime