Terrorism, political system instability and currency rate fluctuations are the three most evident issues of 21st century. In this study, comparative analysis is performed to check the impact of all these issues on PSX Volatility. EGARCH (1,1) approach is used on four different kinds of data collected from 1st January 2000 to 31st December 2015. Terrorist events, FX return fluctuations with rest...

I study how a variety of structural and strategic factors affect terroristmobilization, the likelihood of a splinter faction forming, and the positions adopted by terrorist leaders. The factors considered include the state of the economy, the viability of institutions for the nonviolent expression of grievance, the ability of the factional leaders to provide nonideological benefits, and the ris...

From Facebook groups and online gaming clans, to social movements and terrorist cells, groups of individuals aligned by interest, values or background are of increasing interest to social network researchers (Snow et al., 1980; Zheleva et al., 2009). In particular, understanding the structural and dynamic factors that influence the evolution of these groups remains an open challenge (Palla et a...

The September 2001 attacks in the US raised significant concerns that containers may be used to carry out or facilitate terrorist attacks. The very large number of containers, the thousands of firms and the multitude individuals involved in container shipping, and limited government oversight over the global supply chain makes confronting this concern difficult. Further, organized crime has lon...

Lie detection procedures are typically aimed at determining guilt or innocence of a single suspect. Serious security threats, however, often involve groups, such as terrorist networks or criminal organizations. In this report, we describe a variant of the skin conductance-based Concealed Information Test (CIT) that allows for the extraction of critical information from such groups. Twelve parti...

The increase in the number of terrorist attacks in Russia suggests that anti-terrorist policies have failed to solve the Chechen terrorist problem. The Putin paradox, named after Russia’s president Vladimir Putin, is the capacity of the incumbent government to maintain or even increase its popular support while suffering increasing terrorist attacks. This paper presents a dynamic model where go...

a r t i c l e i n f o Keywords: Terrorist Group processes Case study Involvement vs. events This paper offers a critical review of the role of group processes in terrorist behavior. It draws on a fundamental distinction between terrorist 'involvement' and terrorist 'events' to explore what group phenomena might contribute to our understanding of actual terrorist behavior, as opposed to the cont...

In this paper, we present algorithms for subgroup detection and demonstrated them with a real-time case study of USS Cole bombing terrorist network. The algorithms are demonstrated in an application by a prototype system. The system finds associations between terrorist and terrorist organisations and is capable of determining links between terrorism plots occurred in the past, their affiliation...

Terrorism with weapons of mass destruction (WMDs) is an urgent threat to homeland security. The process of counter-WMD terrorism often involves multiple government and terrorist group players, which is under-studied in the literature. In this paper, first we consider two subgames: a proliferation game between two terrorist groups or cells (where one handling the black market for profits prolife...