Since the beginning of the year 2011, the political crisis of Sudan expands everyday. The inevitable secession of Southern Sudan amplifies with the chronic crisis of Abyei pocket between the north and the south. However, most analysts vocalize their astonishment at irrational official behavior...

The crisis within the euro area have become frequent during 2010. First was the Greek economy to face a default problem of its sovreign debt, in November it was Ireland who has been in a serious financial situation at the verge of collapse causing difficulties to the euro. In this contribution...

Using computer simulations based on three separate data generating processes, I estimate the fraction of elections in which sincere voting will be a core equilibrium given each of eight single-winner voting rules. Additionally, I determine how often each voting rule is vulnerable to simple...

Models on innovation, for the most part, do not include a comprehensive and end-to-end view. Most innovation policy attention seems to be focused on the capacity to innovate and on input factors such as R&D investment, scientific institutions, human resources and capital. Such inputs frequently...

Seven long-term prospective studies representing the energy trajectories consistent with a Factor Four, i.e. a 75% reduction of greenhouse gases emissions in 2050 in France have been identified. We analyze their methodology and the high dispersion of results. Then we discuss the role of...

In this brief note describes the trajectory of the fractal models / multifractal F / M by Benoit Mandelbrot. The promise was discovered by the geometry of Mandelbrot covers a broad area of research fields, from meteorology and mathematical physics to the individual and collective behavior in...

This paper work assesses the key aspects of a framework for research on revolutions. Our approach includes a heuristic based on an idea suggested by Marx in the 18th Brumaire of Louis Bonaparte: “The tradition of all dead generations weighs like a nightmare on the brain of the living”. From...

The logic of collective action (Olson 1965) suggests that public broadcasting may be underprovided, because non-contributors are not excluded from receiving the benefits. Why do so many individuals voluntarily contribute to public television, even though they can obtain the benefits of public...

This paper analyses the implications of classical liberal and libertarian approaches for distributive justice in the context of social welfare orderings. An axiom capturing a liberal non-interfering view of society, named the Weak Harm Principle, is studied, whose roots can be traced back to...

It is often claimed that opinions are more likely to be correct if they are held independently by many individuals. But what does it mean to hold independent opinions? To clarify this condition, we distinguish four notions of probabilistic opinion independence. Which notion applies depends on...