Enjoy the Mainichi Shimbun's "spot the difference" puzzle. The rules are simple: find the seven differences between the two ...

Difference-in-differences (DiD) has been extensively applied in the literature to elicit the average causal effect of an intervention or policy. Though researchers explore heterogeneity in the ...

Enjoy the Mainichi Shimbun's "spot the difference" puzzle. The rules are simple: find the seven differences between the two pictures. (Illustrations by Makiko Oishi, Tokyo Design Team) Click/tap here ...

Background: Difference-in-differences (DID) estimation has become increasingly popular as an approach to evaluate the effect of a group-level policy on individual-level outcomes. Several statistical ...

Objective To estimate changes in healthcare spending in the US after implementation of the No Surprises Act (NSA) in 2022 ...