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 ...

Banning sodas from school vending machines, building walking paths and playgrounds, adding supermarkets to food deserts and requiring nutritional labels on restaurant menus: Such changes to the ...

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 ...

In this column, we believe in randomized, double-blinded, placebo-controlled trials. Others may start popping a new supplement because their friend said it made them feel good, strap on the latest ...

The Nobel Memorial Prize in Economic Sciences was awarded Monday to David Card of the University of California, Berkeley, Joshua Angrist of the Massachusetts Institute of Technology and Guido Imbens ...

A top Massachusetts Institute of Technology labor economist claimed a share of the 2021 Nobel Prize for Economics Monday for his work in advancing “natural experiments,” which apply economic theories ...

Cleo McVicker made soap in Cincinnati. Then came the Great Depression. By 1933, his company reeling, McVicker pitched the Kroger grocery store chain on a new product: a cleanser designed specifically ...