Is the threat of longer sentences in Scotland responsible for reductions in knife crime?

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John Robertson
Is the threat of longer sentences in Scotland responsible for reductions in knife crime?

https://www.heraldscotland.com/news/13052711.maximum-jail-term-for-knife-crime-raised/ When, in 2012, the maximum sentence for carrying knives in a Scottish urban centre was raised from 1 to 4 years in jail, the trend in knife crime was already in steep decline. Nevertheless, the decision was popular and apparently envied in England: https://www.telegraph.co.uk/news/2018/04/07/knife-crime-criminals-england-spend-half-much-time-behind-bars/ With knife crime still falling fast at the end of 2018, Scotland’s Tory politicians showed their customary disregard for statistics and a continuing preference for Old Testament thinking on crime and punishment: https://www.pressandjournal.co.uk/fp/news/scotland/1620372/scotlands-maximum-knife-crime-sentence-handed-down-just-once/ From the…

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John Robertson
Is the threat of longer sentences in Scotland responsible for reductions in knife crime?