Karavias Yiannis, Bandyopadhyay Siddhartha, Christie Christine, Bradbury-Jones Caroline, Taylor Julie, Kane Eddie, Flowe Heather D
Department of Economics, University of Birmingham, Birmingham, United Kingdom.
Chanon Consulting Ltd., Epsom, United Kingdom.
Front Psychol. 2023 Feb 16;14:1063701. doi: 10.3389/fpsyg.2023.1063701. eCollection 2023.
This study evaluated the impact and economic benefit of Cautioning and Relationship Abuse (CARA), an intervention which aims to reduce re-offending of first-time low-level domestic violence and abuse perpetrators. The analysis was based on two samples drawn from separate UK police force areas. CARA's impact was assessed using a matched sample of similar offenders from a time when CARA was not available. The matching was based on a host of offender and victim characteristics and machine learning methods were employed. The results show that the CARA intervention has a significant impact on the amount of recidivism but no significant reduction in the severity of the crimes. The benefit-cost ratio in both police force areas is greater than one and estimated to be 2.75 and 11.1, respectively, across the two police force areas. Thus, for each pound (£) invested in CARA, there is an economic benefit of 2.75-11.1 pounds, annually.
本研究评估了“警示与关系虐待干预项目”（CARA）的影响和经济效益。该干预项目旨在减少初次实施低级别家庭暴力和虐待行为的犯罪者再次犯罪的情况。分析基于从英国不同警察辖区抽取的两个样本。CARA的影响是通过选取在CARA尚未实施时的类似犯罪者匹配样本进行评估的。匹配基于一系列犯罪者和受害者特征，并采用了机器学习方法。结果表明，CARA干预对再犯数量有显著影响，但对犯罪严重程度没有显著降低。两个警察辖区的效益成本比均大于1，在两个警察辖区估计分别为2.75和11.1。因此，在CARA上每投入1英镑，每年可产生2.75至11.1英镑的经济效益。
