Randomized experiments in criminology: What have we learned in the last two decades?

This paper aims to review randomized experiments in criminology with offending outcomes and reasonably large numbers that were published between 1982 and 2004. A total of 83 experiments are summarized, compared with only 35 published between 1957 and 1981: 12 on policing, 13 on prevention, 14 on corrections, 22 on courts, and 22 on community interventions. Randomized experiments are still relatively uncommon, but there have been more large-scale multi-site experiments and replication programs. There have also been several experiments in which 100 or more places were randomly assigned. Relatively few experiments (only 10 out of 83) were conducted outside the United States. Meta-analyses suggest that prevention methods, correctional therapy, batterer programs, drug courts, juvenile restitution and deterrent policing were effective in reducing offending, while Scared Straight and boot camp programs caused a significant increase in offending.     

Confronting Islamist Insurgencies in Africa: The Case of the Islamic State in Mozambique

The proliferation of Salafi-jihadi insurgencies across Africa challenges the United States’ counterterrorism approach. From its inception, the insurgency in Cabo Delgado, Mozambique was driven by local and foreign dynamics, which have been complicated by additional external intervention in the conflict. Using the Cabo Delgado insurgency, we demonstrate how efforts to address its global dimensions, such as the group's affiliation with the Islamic State, can work against attempts to mitigate its local drivers. We conclude with recommendations for a more effective U.S. response that takes both the local and global dynamics into account. This article builds on our February 2021 report “Combating the Islamic State's Spread in Africa: Assessment and Recommendations for Mozambique,” published by the American Enterprise Institute.     

Analyzing linked systems of negotiations

This article presents a conceptual framework for analyzing the structure and dynamics of what the authors call linked systems of negotiations. Even such seemingly straightforward transactions as the purchase of a family car tend to involve linked negotiations. The framework highlights the importance of internegotiation processes in shaping Zones of Possible Agreement, and proposes a typology of linkage. By mapping out and reengineering linked systems, negotiators can enhance their ability to shape the structure within which their negotiations take place.     

接管放弃的决定因素及后果

过去三十年接管行为引起了学术界的广泛关注,其中大多数研究关注于成功的接管,尤其是研究接管行为对被接管目标公司和竞价公司双方股东财富的影响。与成功接管不同的是,被迫放弃的接管行为(即接管放弃)相对而言受学术界的关注较少。这种令人惊讶的现象是因为相当大比例的接管竞价不成功。本文试图通过对接管失败方面文献的综合调研来说明这种研究上的偏颇。本文关注于两方面文献:第一,回顾和讨论可能影响接管结果的因素;第二,分别从目标公司和竞价公司的角度考察接管放弃的后果。还要分析未来的研究领域,这将进一步深化公司对接管放弃的因果关系的认识。