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 ...

The 2021 Nobel prize in economics was awarded Monday to three economists for pioneering "natural experiments" to show real-world impacts. Joshua Angrist, David Card and Guido Imbens have researched ...

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 ...

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 ...