Using the introduction of Arrowhead low latency trading platform by Tokyo Stock Exchange as a natural experiment, I analyze the impact of high frequency trading on market quality of JREITs, in terms of liquidity, volatility, and systemic risks. I also analyze the impact of the 2008 financial crisis. The results document that while the crisis has significantly deteriorated the market quality, th...

In this article, we briefly describe a crisis management case that has been chosen (in the European funded project PLAY) to test the federated-open-trusted platform for event-driven interaction between services. A description of such complex use case in natural language is obviously limited and should be completed with a formal description methodology to gather the necessary knowledge. Consider...

This paper uses the financial crisis of 2008 as a natural experiment to demonstrate that when measuring investment-cash flow sensitivity, the value of a firm‟s assets that can be used as collateral should be taken into account. Using panel data on U.S. firms from 1990 to 2011, it was found that the share of physical capital in assets has a strong influence on investment-cash flow sensitivity, w...

B19 parvovirus is the etiologic agent of fifth disease and transient aplastic crisis. In natural infections, B19 antigen and DNA have been detected in sera early in the course of aplastic crisis and only rarely in fifth disease. We have found B19 DNA in circulating cells of infected patients by DNA dot blot with a virus-specific probe: in four of four sickle cell patients with aplastic crisis, ...

During a series of recent natural catastrophes, social media has played an increasingly prominent and varied role in crisis response, ranging from facilitating the recruitment of volunteers during an earthquake to supporting spiritual recovery after a hurricane. In this paper, we propose that social media, beyond the conventional role of information support, can also function as boundary object...

By nuancing the politics of consumption in the context of austerity, this paper highlights the rise of economic nationalism and the reconfiguration of consumer cultures at the aftermath of the global financial crisis. As it argues, in the context of Greece, three types of consumer cultures have manifested evoking consumption as resilience, resistance, or reinforcement. This work focuses on the ...

This paper deals with the decision-aiding process in large-scale crisis such as natural disasters. It consists in four phases: decision context characterisation, system modelling, aggregation and integration. The elements of the context, such as crisis level, risk situation, decision-makers, problem issue are defined through the characterisation phase. At the feared event occurrence, these elem...

In this paper we suggest novel interaction and visualization techniques for a prospective ECML crisis room environment focusing on the analysis of social media data. For this purpose we describe both, concepts providing a Daily Newsflash and concepts for the preparation of Daily Reports referring to a selected incident or crisis situation. The Daily Newsflash is an overview of global incidents ...

By nuancing the politics of consumption in the context of austerity, this paper highlights the rise of economic nationalism and the reconfiguration of consumer cultures at the aftermath of the global financial crisis. As it argues, in the context of Greece, three types of consumer cultures have manifested evoking consumption as resilience, resistance, or reinforcement. This work focuses on the ...