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

Q: What’s the difference between natural and field experiments? The difference between a natural experiment and a field experiment or randomized controlled trial is that the separation of two groups ...

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 ...

Controlled experiments are common in science ... change happens that allow researchers to conduct what are called "natural experiments." "Natural experiments are everywhere," said Eva Mork ...

Hence a controlled experiment has yielded a preventive ... The approach of the trio also involved natural experiments which cannot be influenced by the analyst. It also answers simple questions ...

Randomized controlled trials remain the gold standard, but natural experiments can help doctors who need answers now. By Anupam B. Jena and Christopher M. Worsham A drug that has recently been ...

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