Monday, September 10, 2012

MoneyScience News

MoneyScience News


RT @Ian_Fraser: Is this a Goldman coup? My piece on Paul Deighton's appointment to H.M. Treasury http://t.co/rr7brjI3 Revolving Doors?

Posted: 10 Sep 2012 03:15 AM PDT

moneyscience: RT @Ian_Fraser: Is this a Goldman coup? My piece on Paul Deighton's appointment to H.M. Treasury http://t.co/rr7brjI3 Revolving Doors?

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RT @quartzbrained: Have you caught the latest issue of Risk Management yet? http://t.co/ErBOKOkM - Thanks Amy!

Posted: 10 Sep 2012 03:03 AM PDT

moneyscience: RT @quartzbrained: Have you caught the latest issue of Risk Management yet? http://t.co/ErBOKOkM - Thanks Amy!

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Philosophy v science, and 'Mission Creep' in #Physics. #tcm http://t.co/Ihu0P30n

Posted: 10 Sep 2012 03:03 AM PDT

moneyscience: Philosophy v science, and 'Mission Creep' in #Physics. #tcm http://t.co/Ihu0P30n

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RT @portfolioprobe: Not fooled by randomness http://t.co/YQIMZ2tn #quant #finance #performancemeasurement #rstats http://t.co/ekqeDufh

Posted: 10 Sep 2012 03:03 AM PDT

moneyscience: RT @portfolioprobe: Not fooled by randomness http://t.co/YQIMZ2tn #quant #finance #performancemeasurement #rstats http://t.co/ekqeDufh

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Published / Preprint: 10Sep/Economic Consultative Committee statement on LIBOR

Posted: 10 Sep 2012 02:42 AM PDT

Press release about the Economic Consultative Committee statement on LIBOR (BIS Press Release 10 September 2012)

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Blog Post: TheFinancialServicesClub: Britain celebrates, but not why you think

Posted: 10 Sep 2012 02:29 AM PDT

This week sees Britain celebrating.read more...

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Blog Post: PatrickBurns: Not fooled by randomness

Posted: 10 Sep 2012 02:10 AM PDT

The paper is “Not Fooled by Randomness: Using Random Portfolios to Analyze Investment Funds” by Roberto Stein.  Here is an explanation of the idea of random portfolios.read more...

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Published / Preprint: Crises and collective socio-economic phenomena: cartoon models and challenges

Posted: 10 Sep 2012 01:29 AM PDT

Financial and economic history is strewn with bubbles and crashes, booms and busts, crises and upheavals of all sorts. Understanding the origin of these events is arguably one of the most important problems in economic theory. In this paper, we review recent efforts to include heterogeneities and interactions in models of decision. We argue that the Random Field Ising model (RFIM) indeed provides...

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Published / Preprint: World citation and collaboration networks: uncovering the role of geography in science

Posted: 10 Sep 2012 01:29 AM PDT

Modern information and communication technologies, especially the Internet, have diminished the role of spatial distances and territorial boundaries. This has enabled scientists for closer collaboration and internationalization. Nevertheless, geography remains an important factor affecting the dynamics of science. Hence, assessing the influence of spatial proximity between scientists is crucial...

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Published / Preprint: How big is too big? Critical Shocks for Systemic Failure Cascades

Posted: 10 Sep 2012 01:29 AM PDT

External or internal shocks may lead to the collapse of a system consisting of many agents. If the shock hits only one agent initially and causes it to fail, this can induce a cascade of failures among neighoring agents. Several critical constellations determine whether this cascade remains finite or reaches the size of the system, i.e. leads to systemic risk. We investigate the critical...

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Published / Preprint: Joint Scaling Theory of Human Dynamics and Network Science

Posted: 10 Sep 2012 01:29 AM PDT

The increasing availability of large-scale data on human behavior has catalyzed simultaneous advances in network theory, capturing the scaling properties of the interactions between a large number of individuals, and human dynamics, quantifying the temporal characteristics of human activity patterns. These two areas remain disjoint, however, traditionally each pursuing as a separate modeling...

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Published / Preprint: Communication dynamics in finite capacity social networks

Posted: 10 Sep 2012 01:09 AM PDT

In communication networks structure and dynamics are tightly coupled. The structure controls the flow of informatio 84e n and is itself shaped by the dynamical process of information exchanged between nodes. In order to reconcile structure and dynamics, a generic model, based on the local interaction between nodes, is considered for the communication in large social networks. In agreement with...

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The Financial Education Daily is out! http://t.co/TYluKzUv ⸠Top stories today via @rotmanschool @ProfThomas @Cornell

Posted: 10 Sep 2012 12:36 AM PDT

BusinessSchools: The Financial Education Daily is out! http://t.co/TYluKzUv â–¸ Top stories today via @rotmanschool @ProfThomas @Cornell

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Published / Preprint: Time-Frequency Dynamics of Biofuels-Fuels-Food System

Posted: 09 Sep 2012 11:59 PM PDT

For the first time, we apply the wavelet coherence methodology on biofuels (ethanol and biodiesel) and a wide range of related commodities (gasoline, diesel, crude oil, corn, wheat, soybeans, sugarcane and rapeseed oil). This way, we are able to inves 801 tigate dynamics of correlations in time and across scales (frequencies) with a model-free approach. We show that correlations indeed vary in...

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Blog Post: Falkenblog: Where Risk Taking Really Hurts

Posted: 09 Sep 2012 06:30 PM PDT

Sports Illustrated has a cover story on dementia and NFL players. They mention Ray Easterling, played for 8 years in the 1970s. They note:Ray, who'd had a successful career in financial services, began making impulsive and risky decisions, a hallmark, some scientists say, of chronic traumatic encephalopathy...If risk were positively related to return, one effect of this would be for many very...

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Published / Preprint: On Geometric Ergodicity of Skewed - SVCHARME models. (arXiv:1209.1544v1 [q-fin.ST])

Posted: 09 Sep 2012 05:31 PM PDT

Markov Chain Monte Carlo is repeatedly used to analyze the properties of intractable distributions in a convenient way. In this paper we derive conditions for geometric ergodicity of a general class of nonparametric stochastic volatility models with skewness driven by hidden Markov Chain with switching.

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UK government earmarks £10m for open access publishing http://t.co/1goCfL2V

Posted: 09 Sep 2012 08:38 AM PDT

BusinessSchools: UK government earmarks £10m for open access publishing http://t.co/1goCfL2V

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.@Cassinthenews: Why it's smart to innovate the smartphone http://t.co/w2b2pj5l

Posted: 09 Sep 2012 06:20 AM PDT

BusinessSchools: .@Cassinthenews: Why it's smart to innovate the smartphone http://t.co/w2b2pj5l

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Financial Technology News Report is out! http://t.co/Jds9GCg0 : Top stories today via @NiemannCapital @nanexllc @pattersonscott

Posted: 09 Sep 2012 05:53 AM PDT

fin_tech: Financial Technology News Report is out! http://t.co/Jds9GCg0 â–¸ Top stories today via @NiemannCapital @nanexllc @pattersonscott

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