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Why natural experiments won the Nobel
Jörn-Steffen Pischke
December 2021
Paper No' :

Tags: 2021 nobel prize; causal relationships; causality; labour markets; rcts vs. natural experiments

Josh Angrist, David Card, and Guido Imbens shared the Nobel in 2021 for their pioneering work on natural experiments that, in the words of the committee, "revolutionised empirical research". Steve Pischke tells Tim Phillips about the history of natural experiments, and the impact of the methods pioneered by this year's Laureates