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21.
This paper studies the behavior of a variety of stakeholders around the adoption of managerial innovations desired by operational managers of health services institutions. We show that if the operational manager may cause the managerial innovation, the tool prospective is subject to power games around coalitions of actors. The study of several management situations in health services institutions enables us, using the game theory, to highlight the “winning”, “losing” and “uncertain” coalitions that can achieve operational management within the establishment to settle a managerial innovation. 相似文献
22.
ABSTRACT In most treatments of nonparametric regression, it is assumed that the marginal density of the explanatory variables is strictly bounded away from zero and infinity. This note investigates the pointwise asymptotics for nonparametric regression when this assumption fails, that is, the marginal density of the explanatory variable has either an isolated zero or a pole at the point of interest. 相似文献
23.
Nicolas Dodier 《The Sociological review》1993,41(3):556-571
De la justification: Les économies de la grandeur, Luc Boltanski and Laurent Thévenot L'Amour et la justice comme compétence: trois essais de sociologie de l'action, Luc Boltanski 相似文献
24.
This paper deals with a nonparametric Nadaraya–Watson (NW) estimator of the drift function computed from independent continuous observations of a diffusion process. Risk bounds on the estimator and its discrete-time approximation are established. The paper also deals with extensions of the PCO and leave-one-out cross-validation bandwidth selection methods for our NW estimator. Finally, some numerical experiments are provided. 相似文献
25.
26.
Nicolas Sirven Brigitte Santos-Eggimann Jacques Spagnoli 《Social indicators research》2012,105(2):255-271
The aim of this paper is to measure and to correct for the potential incomparability of responses to the SHARE survey on health
care responsiveness. A parametric approach based on the use of anchoring vignettes is applied to cross-sectional data (2006–2007)
in eleven European countries. More than 7,000 respondents aged 50 years old and over were asked to assess the quality of health
care responsiveness in three domains: waiting time for medical treatment, quality of the conditions in visited health facilities,
and communication and involvement in decisions about the treatment. Our results suggest that there is reporting heterogeneity
across countries and across individuals within countries, and the degree of heterogeneity varies with the health care domain.
Although leading countries in terms of health care responsiveness remain among the most successful even after correction for
reporting heterogeneity, one may acknowledge many shifts in the ranking of the other countries. 相似文献
27.
Nicolas Houy 《Theory and Decision》2011,70(4):501-509
We give some characterizations for both the untrapped set and the top cycle choice functions. We link these characterizations
with the well-known characterization of the maximal elements choice function. Our characterizations strongly rely on the notion
of “two-tier domination”. 相似文献
28.
Because of their multimodality, mixture posterior distributions are difficult to sample with standard Markov chain Monte Carlo
(MCMC) methods. We propose a strategy to enhance the sampling of MCMC in this context, using a biasing procedure which originates
from computational Statistical Physics. The principle is first to choose a “reaction coordinate”, that is, a “direction” in
which the target distribution is multimodal. In a second step, the marginal log-density of the reaction coordinate with respect
to the posterior distribution is estimated; minus this quantity is called “free energy” in the computational Statistical Physics
literature. To this end, we use adaptive biasing Markov chain algorithms which adapt their targeted invariant distribution
on the fly, in order to overcome sampling barriers along the chosen reaction coordinate. Finally, we perform an importance
sampling step in order to remove the bias and recover the true posterior. The efficiency factor of the importance sampling
step can easily be estimated a priori once the bias is known, and appears to be rather large for the test cases we considered. 相似文献
29.
This article is an attempt to prepare the ground for the analysis and theorization of the connection between the body and technical devices emerging from miniaturized wearable technologies. The research object is a secular and common “body object,” namely, eyeglasses. The article reviews the social history of this artifact and analyzes its patterns of use, showing how the distributed sociotechnical networks of action containing these simple optical systems are constantly deconfigured and reconfigured. In other words, the device is not simply subject to physical incorporation. The unstable balance between the artifact's projection onto the surrounding space and its attachment to the physical body is analyzed through the heterogeneousness of bodies coming into play as the device is socially embodied. As the corporal frame and physical, distributed, and social bodies overlap, the notion of “bodies object” emerges. This covers the artifact-related and social environment, the plural nature of which could be of great value to research and development teams, helping them to diversify their representations of the user, as an agent acting in a variety of networks with a variety of bodies. 相似文献
30.
This paper examines the segregative properties of Tiebout-type process of jurisdiction formation by freely mobile households in the presence of a central government which makes equalization transfers across jurisdictions so as to maximize a generalized utilitarian or a max–min objective. It is shown that the introduction of such a central government significantly affects the set of stable jurisdiction structures. It is also shown that the class of households additively separable preferences that guarantees the wealth segregation of any stable jurisdiction structure is unaffected by the presence of a central government if this government uses a generalized utilitarian objective. 相似文献