A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Born on the same day, Bill and Ben both grew up to have high status. But in every other way they were polar opposites. People who have lived through floods, heat waves, or other climate-related ...

We explore the effect of (big) shocks on the allocation of (bilateral) aid using natural disasters as natural experiments. We find that aid commitment statistically significantly increases following ...