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Collision risk from space debris. Policy options

Publications associées (57)

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Climate change and natural hazards in the Grisons

Michael Lehning

On account of the current global warming, climate researchers warn of a possible increase in the frequency and magnitude of extreme weather conditions in the future. As an alpine canton, the Grisons are particularly exposed to such events. In the article, ...

2009

Advanced examination of historical masonry bridges for future traffic demands

Eugen Brühwiler, Alix Grandjean

The key to extending the service life of a historical masonry bridge is an accurate examination of its actual performance. This paper presents a risk-based safety approach which introduces a risk matrix illustrating the risk presented by a structure as a f ...

Brandenbourg University of Technology Cottbus2009

Risk Governance Deficits. An Analysis and Illustration of the Most Common Deficits in Risk Governance

Marie-Valentine Renée Agnès Florin

IRGC defines risk governance deficits as deficiencies (where elements are lacking) or failures (where actions are not taken or prove unsuccessful) in risk governance structures and processes. They hinder a fair and efficient risk governance process. The de ...

Risk Governance Council2009

Explicit neural signals reflecting reward uncertainty

Kerstin Preuschoff

The acknowledged importance of uncertainty in economic decision making has stimulated the search for neural signals that could influence learning and inform decision mechanisms. Current views distinguish two forms of uncertainty, namely risk and ambiguity, ...

2008

Risk Aversion in Laboratory Asset Markets

We review the use of behavior from television game shows to infer risk attitudes. These shows provide evidence when contestants are making decisions over very large stakes, and in a replicated, structured way. Inferences are generally confounded by the sub ...

JAI Press, Research in Experimental Economics2008

Multi-agent modelling of electricity markets

Abdelaziz Lahlou

This thesis describes the development of three conceptual models built to serve as decision support tools in liberalised electricity markets. The introduction of competition, higher uncertainty and decentralised planning requires new planning and analysis ...

EPFL2007

Corporate control and real investment in incomplete markets

Erwan Morellec, Julien Hugonnier

In the standard real options approach to investment under uncertainty, agents formulate optimal policies under the assumptions of risk neutrality or perfect capital markets. However, in most situations, corporate executives face incomplete markets either b ...

2007

Approach to time dependence and reliability in dynamic route guidance

Yixing Chen

This paper presents a methodology for increasing the reliability of route suggestions in route guidance systems. The procedure, based on the A* path-finding algorithm and Chen's link penalty method, involves penalizing links with a high risk of being conge ...

National Academy of Sciences2007

RISK21 - Coping with Risk due to Natural Hazards in the 21st Century

Laurent Vulliet

To be able to take effective and efficient decisions leading to transparent and comparable results between different risk situations, a consistent and systematic risk management process has to be followed (in this context called “integral risk management”) ...

Taylor & Francis2006

Methodology for Risk Assessment of Part Load Resonance in Francis Turbine Power Plant

François Avellan, Jean-Jacques Simond, Christophe Nicolet, Philippe Allenbach, Bob Greiveldinger

At low flow rate operation, Francis turbines feature a cavitating vortex rope in the draft tube resulting from the swirling flow of the runner outlet. The unsteady pressure field related to the precession of the vortex rope induces plane wave propagating i ...

2006