This note defines and analyzes the most important issues concerning decisionmaking about human-induced insecurities such as terrorism and organized crime from the perspective of a policymaker. By means of modeling the policymakers trade-o_ between the e_ectiveness and costs of policy measures...

The emergence of transnational terrorism in Western countries has raised the debate about security measures, some of which could constrain civil liberties. This is the first paper that uses terrorist attacks (on 7th July, 2005 in London) as an exogenous source of variation to study the dynamics...

We explore whether differences of terrorism risk perception across all European countries reflect their underlying differences in terrorism risk, which we decompose into a long term and innovation component. We employ longitudinal country-level data on terrorism risk concern and our modeling...

We investigate whether differences in terrorism risk are mirrored on terrorism risk concern across European countries for the period 2003-2007. We find that the average propensity for terrorism risk concern is indeed affected by actual risk levels. Furthermore, country and individual...

Human-induced security, or terrorism, is a threat to wellbeing in Europe and beyond. In this Policy Briefing, we investigate the risks involved in terrorism, both with respect to the likelihood and with respect to the consequences of acts of terrorism. Furthermore, we provide a basic analysis of...

In this Policy Briefing, we address two important questions. We look at the drivers of concern about terrorism and find that beyond individual characteristics, it is also affected by the occurrence of terrorism. When distinguishing between permanent and transitory terrorism, the first has a much...

Both crime and terrorism impose costs onto society through the channels of fear and worry. Identifying and targeting groups which are especially affected by worries might be one way to reduce the total costs of these two types of insecurity. However, compared to the drivers of the fear of crime,...