Credit Risk, Systemic Uncertainties and Economic Capital Requirements for an Artificial Bank Loan Portfolio

This paper analyses the impact of different credit risk-based capital requirement implementations on banks' need for capital. The capital requirements for an artificially constructed risky loan portfolio are calculated by applying the BIS approach, the two widespread commercial risk-measurement models, CreditMetrics and CreditRisk+, and, finally, an original synthetic model similar to KMV. In the first three cases we closely follow the methodologies proposed by the regulatory or credit risk models. Economic capital requirements for the latter are obtained by means of Monte Carlo simulations. In the context of CreditMetrics, we additionally perform a Monte Carlo-based stress testing of the monetary policy changes reflected in the term structure of interest rates. Our model of KMV type combines the elements of the structural and the reduced-form methods of risky debt pricing, and the possibilities of its numerical solution are outlined.credit risk, economic capital, market risk, New Basel Capital Accord, systemic uncertainty.

From the Definitions of the "Trésor de la Langue Française" To a Semantic Database of the French Language

International audienceThe Definiens project aims at building a database of French lexical semantics that is formal and structured enough to allow for a fine-grained semantic access to the French lexicon—for such tasks as automatic extraction and computation. To achieve this in a relatively short time, we process the definitions of the Trésor de la Langue Française informatisé (TLFi), enriching them with an XML tagging that makes explicit their internal organization (roughly, genus and differentiae) and enhancing the components with semantic labels that explicit their role in the definition. There is, to our knowledge, no existing broad coverage database for the French lexicon that offers to researchers and NLP developers a structured decomposition of the meaning of lexical units. Definiens is an ongoing research that will hopefully fill this gap in the near future

Culturebox, le portail culturel au cœur de la stratégie numérique de France Télévisions

Cet article porte sur les stratégies éditoriales de France Télévisions dans un contexte concurrentiel marqué par le succès de plateformes telles que YouTube ou Dailymotion dans l’offre de contenus numériques. Plus précisément, il consiste en une étude de Culturebox, le portail numérique de France Télévisions consacré à la culture et refondu en 2013. Nous avons ainsi procédé à une analyse sémiologique des écrans d’accueil du site entre 2014 et 2017, puis rapporté celle-ci aux choix éditoriaux du groupe de service public. Empruntant au format du magazine culturel en ligne, le dispositif témoigne de logiques d’hybridation à l’œuvre dans la configuration des pratiques d’écritures et des modalités d’exposition des contenus. En outre, il manifeste une politique éditoriale visant à promouvoir une « culture de service public », reproduisant ainsi sur Internet le positionnement culturel identifiable sur l’antenne linéaire de France 2.This article focuses on the editorial strategies of France Télévisions developed in reaction to the emergence of platforms such as YouTube or Dailymotion which offer digital content. Specifically, it examines Culturebox, the digital portal of France Televisions dedicated to culture and redesigned in 2013. We conducted a semiological analysis of the home pages of the site between 2014 and 2017 and of the public service group’s editorial choices. Borrowing from the format of the online cultural magazine, Culturebox illustrates hybridization logics in the configuration of writing practices and content presentation. In addition, its editorial policy aims at promoting a “public service culture”, thus reproducing France 2’s characteristic cultural positioning on the Internet.Este artículo analiza las estrategias editoriales de France Télévisions en un contexto de competencia marcado por el éxito de plataformas – como YouTube o Dailymotion – en la oferta de contenido digital. Se centra en el estudio de Culturebox, (el portal digital de France Télévisions dedicado a la cultura), que ha sido remodelado en 2013. Se ha realizado un análisis semiológico de las páginas de inicio del sitio citado, entre 2014 y 2017; y posteriormente dicho análisis se relaciona con las decisiones editoriales del grupo de servicio público. Inspirado en el formato de una revista cultural en línea, el dispositivo revela la existencia de lógicas de hibridación presentes en la configuración de las prácticas de escritura y en las modalidades de exposición del contenido. Además, muestra una política editorial dirigida a promover una “cultura de servicio público”, reproduciendo así en Internet el posicionamiento cultural que se muestra en la antena de France 2

Dispositifs télévisuels et mises en scène du désaccord : les cas d’On n’est pas couché et de Ce soir (ou jamais !)

Nous proposons, dans cet article, une analyse de deux dispositifs télévisuels favorisant l’expression du désaccord. Le premier cas, On n’est pas couché, est une émission d’infotainment ; la polémique y est exacerbée. Le second cas, Ce soir (ou jamais !), est une émission de débat d’actualité, basée sur la compréhension et le débat d’idées. Nous étudions la manière dont le dispositif télévisuel conditionne la mise en scène du désaccord et offre un contexte favorable à son expression. Notre analyse s’inscrit dans une perspective communicationnelle et se place en amont de la manifestation discursive : nous travaillons davantage le désaccord du point de vue de la question éditoriale et générique qu’en termes de stratégie énonciative. Aussi, le dispositif télévisuel intègre une orchestration du désaccord comme potentiel médiagénique. Dans un deuxième temps, nous mettrons en parallèle les deux dispositifs avec des lieux institués où s’exprime le désaccord comme l’assemblée, l’agora, le tribunal et le théâtre. Nous travaillons le lien entre le dispositif télévisuel et des modèles prémodernes de publicisation du désaccord. Cela est l’occasion de voir que le dispositif d’infotainment, genre hybride, renvoie à un imaginaire pluriel.The following abstract offers a analysis of two television devices that portray the expression of disagreement. The first television show, On n’est pas couché, is an infotainement broadcast with an intentional polemical bias. The second show, Ce soir (où jamais !), is a talk show focusing on topical issues and based on intellectual debates. The proposed article aims at studying how the television apparatus frames the staging of disagreement and provides a favorable context for its expression. My analysis is based on a communicational perspective and takes place before the discursive manifestation : I shall work on dissent from an editorial point of view rather than in terms of enunciative strategy. The television feature also incorporates an orchestration of disagreement as potentially mediagenic. I will then compare the televisual device as studied through the aforementioned shows, with established places where disagreement is expressed, such as the assembly, the agora, the court and the theater. This is the opportunity to see that the genre of the talk show, more hybrid than the debate, refers to a form of plural imagination

Dictionary-Ontology Cross-Enrichment Using TLFi and WOLF to enrich one another

International audienceIt has been known since Ide and Veronis that it is impossible to automatically extract an ontology structure from a dictionary, because that information is simply not present. We at- tempt to extract structure elements from a dictionary using clues taken from a formal ontology, and use these elements to match dictionary definitions to ontology synsets; this allows us to enrich the ontology with dictionary definitions, assign ontological structure to the dictionary, and disambiguate elements of definitions and synsets

Fabrication of poly-3-hexylthiophene/polyethylene oxide nanofibers using electrospinning

Peer reviewed: YesNRC publication: Ye

Fabrication of highly conductive PEDOT nanofibers

NRC publication: Ye

Quantification of the pile-up effect for improving inverse mechanical analysis by means of nanoindentation

This paper deals with the identification of elastic-plastic material properties by means of nanoindentation. A dimensional analysis leads to the identification of a specific parameter based on the estimation of the pile-up effect. This parameter may be used in an inverse analysis. Theoretical aspects and experimental issues are discussed

Highly conductive PEDOT nanofibers obtained by combination of electrospinning and vapour-phase polymerization

Peer reviewed: YesNRC publication: Ye

Nano and Micro Fibers for Conductive Applications

Peer reviewed: YesNRC publication: Ye