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O surgimento, e afirmação, de uma corrente de estudos críticos em segurança internacional plantou firmemente a idéia de que os problemas de segurança internacional não estão meramente relacionados com aspectos ob...

This Campbell systematic review examines the effects of closed circuit television (CCTV) on property crime and violent crime. The review reports on whether using CCTV results in crime displacement, and also assesses whet...

The primary aim of this Campbell systematic review is to assess the effectiveness of neighborhood watch in reducing crime. The narrative review was based on 19 studies (covering 43 evaluations) and the meta‐analysis wa...

In the last few years, the use of wireless networks has been growing exponentially in many situations of our daily life. They are implemented in very different environments and are used for a wide range of applications. ...

Fil: Bijker, Wiebe E. Universidad de Maastricht; Holanda. Los ataques sobre Nueva York y Washington del 11 de septiembre de 2001, como otros ataques posteriores, han demostrado cuán vulnerables son nuestras sociedades m...

Subjects / keywords: Social service; Mexico; Case studies; Sustainable development; Yucatán (State); Food security; MexicozYucatán (State); Nutrition; Social aspects; Electronic books

Subjects / keywords: Human security; Mexico; Case studies; Peace; Social aspects; Electronic books

Subjects / keywords: National security; United States; Case studies; Military policy; Chile; Peru; Electronic books

In both corporate finance and asset pricing empirical work, researchers are often confronted with panel data. In these data sets, the residuals may be correlated across firms and across time, and OLS standard errors can ...