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Showing posts from March, 2007

Mean Reversion

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March 5 (Bloomberg) -- European stocks fell on concern the plunge that wiped out $1.5 trillion in world market value last week may prompt more investors to sell equities and buy bonds. March 2, 2007 5:20 PM ET (Briefing.com). This is what happens in market consolidations. Just as the bearish arguments were dismissed a month ago, bullish arguments now get no support. Everything is viewed in a bearish light. The "pull to the right" (i.e. the probability of hitting the right hand side of the returns distribution before its left hand side) for equity markets has decreased in view of the current bearish light that can be observed on the equity market. Everything else being equal, Quantitative Asset Allocation Models have been increasing exposure to governmental bonds. (Photo: The Construction of the Empire State Building, 1930-1931 , New York Public Library)

Behavioral Finance

Perhaps the most important paper in the development of the behavioral finance and economics fields was written by Kahneman and Tversky in 1979. This paper, ' Prospect theory : Decision Making Under Risk', used cognitive psychological techniques to explain a number of documented anomalies in rational economic decision making. Further milestones in the development of the field include a well attended and diverse conference at the University of Chicago (see Hogarth & Reder, 1987), a special 1997 edition of the respected Quarterly Journal of Economics ('In Memory of Amos Tversky') devoted to the topic of behavioral economics and the award of the Nobel prize to Daniel Kahneman in 2002 'for having integrated insights from psychological research into economic science, especially concerning human judgment and decision-making under uncertainty. Source: Wikipedia, the free encyclopedia

Praxis : L'action dans la cité selon Hannah Arendt

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La théorie de l'action d'Hannah Arendt et son renouveau de la notion antique de praxis représentent l'une des contributions les plus originales à la pensée politique du vingtième siècle. En distinguant l'action (praxis) de la fabrication (poiesis), en la reliant à la liberté et à la pluralité, et en montrant son lien avec la parole et la mémoire, Arendt est capable d'articuler une conception de la politique dans laquelle les questions de sens et d'identité peuvent être abordées d'une manière nouvelle et originale. [Derniere édition: 14/06/2024] Pour aller plus loin   Post Original en Anglais [03/03/07] Hannah Arendt's theory of action and her revival of the ancient notion of praxis represent one of the most original contributions to twentieth century political thought. By distinguishing action (praxis) from fabrication (poiesis), by linking it to freedom and plurality, and by showing its connection to speech and remembrance, Arendt is able to articul...

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