Do mass shootings in universities lead to permanent effects?
Using a stacked difference-in-differences design covering shootings between 1990 and 2025, I compare cohorts at affected universities before and after the shooting with cohorts at matched control universities. I find no detectable effects on time to degree, but undergraduates enrolled at the time of the shooting are 4.2% less likely to pursue further studies. Those […] The post Do mass shootings in universities lead to permanent effects? appeared first on Marginal REVOLUTION. CommentsI'm so h...
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Marginal Revolution (United States) | Oct 22, 2026
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