This research develops an innovative terror threat advisory system capable of visually communicating variations in the terrorism levels to policymakers or the public and forecasts future levels. Earlier attempts to create similar advisory systems by policymakers were either discontinued or ...
The color-coded threat alerts issued by the Department of Homeland Security are useless today, but may become useful in the future. The U.S. military has a similar system; DEFCON 1-5 corresponds to the five threat alerts levels: Green, Blue, Yellow, Orange, and Red. The difference is t...
TerrorismCapital MarketsHomeland Security Advisory System (HSASColor-Coded Threat LevelThis paper examines whether changes in the color-coded terror alert level set by the U.S. Department of Homeland Security affect U.S. capital markets. The alert level has changed 17 times (9 times raised and ...