A key question in the ongoing policy debate over cannabis' legal status is whether liberalizing cannabis laws leads to an increase in cannabis use. This paper provides new evidence on the impact of a specific type of liberalization, decriminalization, on initiation into cannabis use. Our identification strategy exploits variation in the timing of cannabis policy reforms and our estimation frame...

State-Owned Enterprises (BUMN) (hereinafter referred to as BUMN) are one of economic actors that contribute the development state finances. SOEs corporations can run a variety businesses such health services, implementation banking industry players, transportation sector, services in field providing goods and so on. In addition contributing form profits from its business also paying taxes state...

This paper explores the opportunities for the application of network analytic techniques to the problems of criminal intelligence analysis, paying particular attention to the identification of vulnerabilities in different types of criminal organization from terrorist groups to narcotics supply networks. A variety of concepts from the network analysis literature are considered in terms of the pr...

We examine the distribution of the extent of criminal activity by individuals in two widely cited data bases. The Cambridge Study in Delinquent Development records criminal convictions amongst a group of working class youths in the UK over a 14 year period. The Pittsburgh Youth Study measures self-reported criminal acts over intervals of six months or a year in three groups of boys in the publi...

Understanding relations between offenders in organized crimes is important for law enforcement and intelligence agencies to detect, prevent, and respond to crimes and terrorism events. However, several challenges (e.g., information overload, difficulty of relation search and extraction of relation patterns) face the task of criminal relation exploration. In this paper we present our ongoing res...