976 resultados para Aglietti, Francesco


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Référence bibliographique : Rol, 57547

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Cette étude esquisse, sur la base d'un grand échantillon représentatif et longitudinal de couples vivant en Suisse et du point de vue des femmes ayant répondu à l'enquête, un tableau de l'évolution des problèmes conjugaux rencontrés au cours des différentes phases de la vie familiale. Le processus de dégradation de la relation est reconstitué à partir de 2 mesures faites dans un intervalle de 5 ans. La genèse des difficultés conjugales est considérée à travers le prisme des transitions familiales, en particulier la naissance des enfants, leur entrée à l'école et leur départ du domicile parental. L'analyse révèle le potentiel déstabilisateur de ces transitions pour le couple. Les bouleversements de l'équilibre relationnel évoluent, dans certains cas, vers un cumul de difficultés qui envahissent l'espace conjugal pour déboucher sur une situation rapidement inextricable.

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Background: To enhance our understanding of complex biological systems like diseases we need to put all of the available data into context and use this to detect relations, pattern and rules which allow predictive hypotheses to be defined. Life science has become a data rich science with information about the behaviour of millions of entities like genes, chemical compounds, diseases, cell types and organs, which are organised in many different databases and/or spread throughout the literature. Existing knowledge such as genotype - phenotype relations or signal transduction pathways must be semantically integrated and dynamically organised into structured networks that are connected with clinical and experimental data. Different approaches to this challenge exist but so far none has proven entirely satisfactory. Results: To address this challenge we previously developed a generic knowledge management framework, BioXM™, which allows the dynamic, graphic generation of domain specific knowledge representation models based on specific objects and their relations supporting annotations and ontologies. Here we demonstrate the utility of BioXM for knowledge management in systems biology as part of the EU FP6 BioBridge project on translational approaches to chronic diseases. From clinical and experimental data, text-mining results and public databases we generate a chronic obstructive pulmonary disease (COPD) knowledge base and demonstrate its use by mining specific molecular networks together with integrated clinical and experimental data. Conclusions: We generate the first semantically integrated COPD specific public knowledge base and find that for the integration of clinical and experimental data with pre-existing knowledge the configuration based set-up enabled by BioXM reduced implementation time and effort for the knowledge base compared to similar systems implemented as classical software development projects. The knowledgebase enables the retrieval of sub-networks including protein-protein interaction, pathway, gene - disease and gene - compound data which are used for subsequent data analysis, modelling and simulation. Pre-structured queries and reports enhance usability; establishing their use in everyday clinical settings requires further simplification with a browser based interface which is currently under development.

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The topic of conjugal quality provides an empirical illustration of the relevance of the configurational perspective on families. Based on a longitudinal sample of 1,534 couples living in Switzerland drawn from the study "Social Stratification, Cohesion and Conflict in Contemporary Families", we show that various types of interdependencies with relatives and friends promote distinct conflict management strategies for couples as well as unequal levels of conjugal quality. We find that configurations characterized by supportive and non-interfering relationships with relatives and friends for both partners are associated with higher conjugal quality, while configurations characterized by interference are associated with lower conjugal quality.

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How much would output increase if underdeveloped economies were to increase their levels of schooling? We contribute to the development accounting literature by describing a non-parametric upper bound on the increase in output that can be generated by more schooling. The advantage of our approach is that the upper bound is valid for any number of schooling levels with arbitrary patterns of substitution/complementarity. Another advantage is that the upper bound is robust to certain forms of endogenous technology response to changes in schooling. We also quantify the upper bound for all economies with the necessary data, compare our results with the standard development accounting approach, and provide an update on the results using the standard approach for a large sample of countries.

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How much would output increase if underdeveloped economies were toincrease their levels of schooling? We contribute to the development accounting literature by describing a non-parametric upper bound on theincrease in output that can be generated by more schooling. The advantage of our approach is that the upper bound is valid for any number ofschooling levels with arbitrary patterns of substitution/complementarity.Another advantage is that the upper bound is robust to certain forms ofendogenous technology response to changes in schooling. We also quantify the upper bound for all economies with the necessary data, compareour results with the standard development accounting approach, andprovide an update on the results using the standard approach for a largesample of countries.

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We study financial markets in which both rational and overconfident agents coexist and make endogenous information acquisition decisions. We demonstrate the following irrelevance result: when a positive fraction of rational agents (endogeneously) decides to become informed in equilibrium, prices are set as if all investors were rational, and as a consequence the overconfidence bias does not aect informational efficiency, price volatility, rational traders expected profits or their welfare. Intuitively, as overconfidence goes up, so does price infornativeness, which makes rational agents cut their information acquisition activities, effectively undoing the standard effect of more aggressive trading by the overconfident.

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The paper argues that the market signifficantly overvalues firms with severely underfunded pension plans. These companies earn lower stock returns than firms with healthier pension plans for at least five years after the first emergence of the underfunding. The low returns are not explained by risk, price momentum, earnings momentum, or accruals. Further, the evidence suggests that investors do not anticipate the impact of the pension liability on future earnings, and they are surprised when the negative implications of underfunding ultimately materialize. Finally, underfunded firms have poor operating performance, and they earn low returns, although they are value companies.

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We introduce a new dynamic trading strategy based on the systematic misspricing of U.S. companies sponsoring Defined Benefit pension plans. This portfolio produces an average return of 1.51% monthly between 1989 and 2004, with a Sharpe Ratio of 0.26. The returns of the strategy are not explained by those of primary assets. These returns are not related to those of benchmarks in the alternative investments industry either. Hence, we are in the presence of a "pure alpha" strategy that can be ported into a large variety of portfolios to significantly enhance their performance.

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Contient : Onze lettres adressées à Baluze par Nicolas Colbert, évêque de Luçon et d'Auxerre (16 mars 1667-30 avril 1675) ; Deux lettres de Philippe IV, roi d'Espagne, à Louis XIV (3 novembre 1661) ; « Traduction de ce que M. le marquis de Fuentes doit dire au Roi. » ; Liste des couvents de Paris avant et après 1600 ; « Pour rendre compte à Monseigneur du discours latin adressé au pape, » sur les propositions du clergé de France ; « Articles pour la pacification des troubles du Berry » (23-24 octobre 1650) ; Délibérations des assemblées tenues par l'archevêque de Paris, à la suite du projet d'établissement de Monts-de-Piété en France (27 juin 1630) ; Extraits et collations de quelques pièces d'Avitus ; « Catalogue des auteurs contemporains qui ont escrit l'histoire des rois de France depuis le roy Robert jusqu'à présent » (1685), de la main de Baluze ; Pronostics tirés de la comète de 1578, en italien ; « Tractatus de votis » par [Jules-César ?] Boulanger ; Liste des traités de paix et d'alliance concernant les rois de France ; Epitaphes de Henri et Charles de Schomberg ; Fragment de poème latin sur la quatrième croisade ; Mémoire sur la succession de Philippe IV, roi d'Espagne (incomplet de la fin) ; Fragment de chronique des événements parisiens de la première partie de l'année 1597 ; Lettre de M. de Thou au comte de Brienne (12 septembre 1661) ; « Discours au Roi » (la suite est au f. 144) ; « Harangue de M. le Cardinal, par lui prononcée en Parlement le 18 janvier 1634. » ; « Récit véritable de ce qui s'est passé à Paris depuis le 24e avril 1617. » ; Pièces concernant divers négociants de Lyon et la Compagnie des Indes (1666) ; Lettre de M. de Briel à « M. le comte de Tremese », capitaine des gardes (21 septembre 1635) ; Liste de surintendants, contrôleurs généraux, etc., tirée des comptes de l'Epargne (1608-1635) ; Notes sur l'histoire des Juifs à Paris ; Notes sur les séjours des princes et des rois à Nesle ; « Extrait d'une lettre du patriarche d'Ethiopie, religieux de la Compagnie de Jesus » (14 décembre 1637) ; deux copies ; Extrait d'une lettre de la prieure de Loudun à un Père Jésuite (19 novembre 1638) ; Corrections pour le recueil des Conciles ; Notes, de la main de Baluze, sur les écrits de divers Pères de l'Eglise ; Notes sur diverses affaires ecclésiastiques ; « Il Badoaro di Francesco Patritio » (1558) ; Lettre, en latin, de Jean Maury à Colbert ; « Narratio rei nuper gestae in Parnasso, » en vers latins, adressée à Perrault ; Responsio cur Mecaenas litteratorum laudari abnuat », en vers latins, adressée à Quinault ; Lettre de P. Danès, évêque de Lavaur, à son neveu George Danès (18 avril 1566) ; Lettre de l'abbé Gamurrini, sans adresse (22 janvier 1680) ; Lettre de [Samuel] Sorbière [à Baluze] (2 juillet 1662) ; Samuelis Sorberii ad Stephanum Baluzium allocutio in funere... Petri de Marca ; imprimé de 4 pages ; Lettre de M. Lefranc à Baluze (Montauban), (27 février 1667) ; Lettre de [Henri] d'Aguesseau au même (Limoges, 6 avril 1668) ; Deux lettres de M. Devaubourg à Baluze (5 et 29 décembre 1638)