This article contains a comparison of narratives of foreign members of armed groups of The Islamic State of Iraq; the Levant; the Lugansk and Donetsk People's Republics in Syria and Ukraine. This data was collected in 2015-2016 using social networks and telecommunications which are presented in...

Globally we are living in difficult times when peace and human security have become big challenges that could have negative implications if not addressed properly. University students -the future leaders are also the victims of such threats and some of them involve themselves in violence by...

We estimate the causal effect of mandatory participation in the military service on the involvement in criminal activities. We exploit the random assignment of young men to military service in Argentina through a draft lottery to identify this causal effect. Using a unique set of administrative...

We examine the impact of a different cultural background on individual behavior, focusing on violence on the football field of southern European and nothern European football players in the English Premier League. We find that southern European football players collect on average more football...

Globally we are living in difficult times when peace and human security have become big challenges that could have negative implications if not addressed properly. University students -the future leaders are also the victims of such threats and some of them involve themselves in violence by...

We document changes in income and earnings inequality in the five Central American countries from the early 1990s to 2009. In the 1990s Costa Rica had the most equal distribution of income in Central America, and one of the most equal distributions of income in Latin America. At the other...