Does media violence trigger violent crime?

Does media violence trigger violent crime?

Yes.

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    No.

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    • Indeed, Dahl and DellaVigna 2008 show that violent crime actually decreases 1.1 - 1.3% on nights when violent movies attract large crowds. (http://eml.berkeley.edu/~sdellavi/wp/moviescrime08-08-01Forthc.pdf).

        • This shows that there is less violent crime when a lot of people are in movie theaters. It says nothing about whether the time they spend in the theaters causes additional violent crimes later.

        • Cunningham and Engelstatter 2011 show that "a one percent increase in violent [video] games is associated with up to a 0.03% decrease in violent crime".