The connection between sports and domestic violence:
Controlling for location and time fixed effects, weather factors, the pre-game point spread, and the size of the local viewing audience, we find that upset losses by the home team (losses in games that the home team was predicted to win by more than 3 points) lead to an 8 percent increase in police reports of at-home male-on-female intimate partner violence.
Here is the source paper and that is from David Card and Gordon Dahl. In contrast, if you go see a violent movie, for that same length of time you are sequestered and thus less likely to be a danger to others.
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