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Search Results: 1 - 10 of 3365 matches for " Claude Rochet "
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Management des services publics et pilotage de la performance : vision en contre-plongée de la Loi d’Orientation sur les Lois de Finance
Claude Rochet,Olivier Keramidas,Bruno Tiberghien,Philippe Agopian
Pyramides : Revue du Centre d'Etudes et de Recherches en Administration Publique , 2012,
Abstract: Cette contribution rend compte d’une recherche-action orientée vers la construction d’un système de pilotage visant à concilier management stratégique et management opérationnel. Impulsée par la nécessité d’objectiver les processus et résultats à tous les niveaux de l’organisation, cette démarche découle à la fois d’effets de contexte (influence normative de la Loi Organique des Lois de Finances) et d’une volonté interne au Service Départemental d’Incendie et de Secours des Bouches-du-Rh ne (SDIS 13). Afin de mener à bien la production des tableaux de bord multidimensionnels nécessaires à cette objectivation, le SDIS 13 s’est rapproché de l’Institut de Management Public et de Gouvernance Territoriale (IMPGT). L’expertise méthodologique ainsi apportée, alliée à un mode de production participatif, permet de poser les conditions de l’innovation par la recherche et d’un meilleur partage, à terme, des expériences et des connaissances.
Process Modeling and Public Value: Performance Measurement for Emergency Assistance Services?
Claude Rochet,Ana?s Saint,Bruno Tiberghien,Philippe Agopian
International Business Research , 2012, DOI: 10.5539/ibr.v6n2p137
Abstract: This paper proposes a process modeling of a cerebrovascular accident (CVA) channel, according to the Business Process Modeling Notation (BPMN) rules, in order to build a balanced scorecard (BSC). The Fire department in the Bouches-du-Rh ne (SDIS) and the medical emergency service have coordinated their action and processes with hospitals to set up this kind of specific channel to deal with strokes. According to Hankey and Warlow (1999), each year in a population of 1 million inhabitants of a developed country, 2 400 patients use a care institution because of this pathology. As the window of opportunity for treatment is only 4 hours from first symptoms, swiftness is needed in both diagnosis and intervention. This emphasizes the fluidity of the channel, and thus the coordination of actors, as key success factors. This work upon process modeling is a source of lessons on the role of the information system in organizational innovation in the public services and the required capabilities to be mastered. But it mainly allows us to bring out the relevant indicators to build up the monitoring part of the balance scorecard (BSC) and to propose a roadmap to implement such a method for equivalent medical channels.
Complex outliers of Hermitian random matrices
Jean Rochet
Mathematics , 2015,
Abstract: In this paper, we study the asymptotic behavior of the outliers of the sum a Hermitian random matrix and a finite rank matrix which is not necessarily Hermitian. We observe several possible convergence rates and outliers locating around their limits at the vertices of regular polygons as in a previous work by Benaych-Georges and Rochet, as well as possible correlations between outliers at macroscopic distance as in works by Knowles, Yin, Benaych-Georges and Rochet. We also observe that a single spike can generate several outliers in the spectrum of the deformed model, as already noticed in several previous works. In the particular case where the perturbation matrix is Hermitian, our results complete a previous work of Benaych-Georges, Guionnet and Ma\"ida, as we consider fluctuations of outliers lying in "holes" of the limit support, which happen to exhibit surprising correlations.
Semiparametric Efficiency of GMM under Approximate Constraints
Paul Rochet
Statistics , 2010,
Abstract: Generalized empirical likelihood and generalized method of moments are well spread methods of resolution of inverse problems in econometrics. Each method defines a specific semiparametric model for which it is possible to calculate efficiency bounds. By this approach, we provide a new proof of Chamberlain's result on optimal GMM. We also discuss conditions under which GMM estimators remain efficient with approximate moment constraints.
Bayesian interpretation of Generalized empirical likelihood by maximum entropy
Paul Rochet
Statistics , 2012,
Abstract: We study a parametric estimation problem related to moment condition models. As an alternative to the generalized empirical likelihood (GEL) and the generalized method of moments (GMM), a Bayesian approach to the problem can be adopted, extending the MEM procedure to parametric moment conditions. We show in particular that a large number of GEL estimators can be interpreted as a maximum entropy solution. Moreover, we provide a more general field of applications by proving the method to be robust to approximate moment conditions.
A Threshold Regularization Method for Inverse Problems
Paul Rochet
Statistics , 2011,
Abstract: A number of regularization methods for discrete inverse problems consist in considering weighted versions of the usual least square solution. However, these so-called filter methods are generally restricted to monotonic transformations, e.g. the Tikhonov regularization or the spectral cut-off. In this paper, we point out that in several cases, non-monotonic sequences of filters are more efficient. We study a regularization method that naturally extends the spectral cut-off procedure to non-monotonic sequences and provide several oracle inequalities, showing the method to be nearly optimal under mild assumptions. Then, we extend the method to inverse problems with noisy operator and provide efficiency results in a newly introduced conditional framework.
L’impact de la seconde guerre mondiale sur les pratiques administratives
Bénédicte Rochet
Pyramides : Revue du Centre d'Etudes et de Recherches en Administration Publique , 2011,
Abstract: La crise des années 30 déstabilise le monde. Face aux revendications sociales sans précédents, l’Etat doit redéfinir son r le vis-à-vis de la société. L’Etat se fait Providence , l’amplification de ses interventions implique une expansion de l’administration au niveau des services et du personnel, mais aussi une nouvelle conception de sa politique. Cette réforme s’avère également nécessaire pour redorer le blason de l’administration, devenue le bouc émissaire de tous les maux. Les travaux de Louis Camu, Commissaire royal à la réforme administrative (1937) proposent des solutions à ce malaise général qui touche l’entre-deux-guerres. Les débuts sont prometteurs…et durant le Second Conflit mondial, certaines circonstances, propres à l’administration de guerre, vont permettre de poursuivre la voie tracée par le Commissaire royal. Notamment, les nouvelles élites recrutées par l’administration de guerre amènent des conceptions modernes au niveau des organisations, des méthodes et des taches de l’administration envers la société. L’expérience des années 30 et les circonstances difficiles de la guerre ont permis à l’administration de définir son objectif : renforcer la coordination et la planification de la politique gouvernementale sur des bases scientifiques précises et imprégnées des nouvelles théories économiques et sociales. Elle doit recruter un personnel qualifié et faire appel aux interventions extérieures telles les Universités.
Relations between connected and self-avoiding walks in a digraph
Thibault Espinasse,Paul Rochet
Mathematics , 2015,
Abstract: Walks in a directed graph can be given a partially ordered structure that extends to possibly unconnected objects, called hikes. Studying the incidence algebra on this poset reveals unsuspected relations between walks and self-avoiding hikes. These relations are derived by considering truncated versions of the characteristic polynomial of the weighted adjacency matrix, resulting in a collection of matrices whose entries enumerate the self-avoiding hikes of length $\ell$ from one vertex to another.
A Cramér-Rao inequality for non differentiable models
Thibault Espinasse,Paul Rochet
Statistics , 2012,
Abstract: We compute a variance lower bound for unbiased estimators in specified statistical models. The construction of the bound is related to the original Cram\'er-Rao bound, although it does not require the differentiability of the model. Moreover, we show our efficiency bound to be always greater than the Cram\'er-Rao bound in smooth models, thus providing a sharper result.
Generating Net Forces from Backgrounds of Randomly Created Waves  [PDF]
Claude Gauthier
Journal of Modern Physics (JMP) , 2014, DOI: 10.4236/jmp.2014.516158
Abstract: We examine the possibility of generating net forces on concave isolated objects from backgrounds consisting of randomly created waves carrying momentum. This issue is examined first for waves at the surface of a liquid, and second for quantum vacuum electromagnetic waves, both in relation with a one-side-open rectangular structure whose interior embodies a large number of parallel reflecting plates. Using known results about the Casimir-like effect and the original Casimir effect for parallel plates, we explain why and how such rectangular hollow structures should feel net oriented forces. We briefly describe real systems that would allow testing these theoretical results.
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