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 ...

Some of the most insightful — and now most celebrated — studies of such major social issues as minimum wages and immigration have seized on naturally occurring events. Pioneering efforts by three ...

Three U.S.-based economists will share this year's Nobel Memorial Prize in Economic Sciences for their innovative work with "natural experiments" – events or policy changes in real life that allow ...

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 ...

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 ...

A fascinating study revealed that brown anole lizards, which were introduced to isolated Bahamian islands, underwent rapid ...

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 ...

The Massachusetts Agricultural Experiment Station operates within the Center for Agriculture, Food, and the Environment in the College of Natural Sciences to coordinate the distribution of federal ...

Causal inference has transformed empirical political science. Experiments, natural experiments, instrumental variables, difference-in-differences designs, ...