A natural experiment is an empirical study in which individuals (or clusters of individuals) are exposed to the experimental and control conditions that are determined by nature or by other factors ...

Regarding David Henderson’s op-ed “ ‘Natural Experiments’ Lead to an Economics Nobel” (Oct. 12): Natural experiments require circumstances in which political events, geopolitical boundaries and so ...

Shift Happens is my favorite bumper sticker. I love the genuineness of natural experiments, when shifts in policy, practice or environment stimulate changes. As a scientist, I’m supposed to value the ...

Three U.S.-based economists are sharing this year's Nobel memorial prize for their work on "natural experiments" which get around the need for controlled experiments. During the pandemic, we've heard ...