noun
broken windows theory
A criminological theory that maintaining urban order and repairing visible signs of disorder (like broken windows) helps prevent serious crime.
割れ窓理論は、軽微な犯罪の取り締まりが重大な犯罪の抑止につながると主張する。
The broken windows theory argues that cracking down on minor offenses leads to the deterrence of serious crime.
Calque from English 'broken windows theory', coined by social scientists James Q. Wilson and George L. Kelling in 1982.