Social media often plays a central role in crisis informatics as it is an important source for assessing, understanding, and locating crises quickly and accurately. In addition, social media enables actors to react more effectively and efficiently when managing crises. However, enablers of crisis information management have not been carved out explicitly in a systematic view. Therefore, we perf...

This article aims at presenting a three-dimensional framework dedicated to structure the domain of crisis management. The approach is based on a formalized vision of crisis (the danger / risk / consequence chain) that is used to define the what, when and where of crisis management. These three basic questions allow describing the management, time (life cycle) and localization dimensions of cris...

This article describes research in progress of a design approach for crisis management information systems. A qualitative study was designed to gather data from four municipalities in northern Sweden, which all have responsibility for crisis management in each local environment. The purpose with the article is to discuss broad but strongly related information issues to crisis management and fro...

various disasters are still inevitable and over the last two decades, affected lives of at least 800 million people. iran is one of the most disaster-prone countries and about 90% of the country are at risks of earthquakes or floods [3]. thus, the disaster management in our country is a priority. in recent years, several protocols have been put forward to manage the crises and disasters. in thi...

We examine the impact of corporate currency hedging on economic stability by introducing hedging activity in a Mundell-Fleming-Tobin framework for analyzing currency and financial crises. The ratio between hedged and unhedged firms is modelled depending on firm size as well as hedging costs. The results indicate that, with an increasing fraction of hedged firms in an economy, the magnitude of a...

Managing complex emergency situations is a challenging task, mainly due to the heterogeneity of the partners involved and the critical nature of such events. Whatever approach is adopted to support this objective, one unavoidable issue is knowledge management. In the context of our research project, gathering, formalising and exploiting all the knowledge and information about a given crisis sit...