This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...
I compared prices of my go-to groceries at Costco and Aldi to see which had better deals for me. Several items were cheaper at Costco, but things like beef and bagels were a better deal at Aldi.
The risk for MACE was similar with IL-17A inhibitors, IL-23 inhibitors, and IL-12/23 inhibitors vs TNF inhibitors among patients with psoriasis or psoriatic arthritis. Though patients with psoriasis ...
Researchers at the University of Oulu, Finland, have identified significant differences in mortality among widows and widowers from cohabiting versus married relationships, depending on the deceased ...
aDivision of Infectious Diseases, Department of Medicine, University of Pennsylvania, Philadelphia, PA, USA bDepartment of Medical Ethics and Health Policy, University of Pennsylvania, Philadelphia, ...
New research suggests that ultra-processed foods may do more than harm the body: they could alter the brain in unexpected ways. Credit: Shutterstock A major international study has found that frequent ...
Mr. Toobin is a contributing Opinion writer and the author of “The Pardon: The Politics of Presidential Mercy.” Donald Trump has enemies. Richard Nixon had a list of them. The differences in how these ...
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