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71.
Daniel HERRERO Luis CÁRDENAS Julián LÓPEZ GALLEGO 《Revue Internationale du Travail》2020,159(3):405-437
L'Espagne a connu en 2010 et 2012 deux réformes majeures du marché du travail. Celles-ci reposaient sur l'idée qu'il suffisait d'accroître la flexibilité du travail et de décentraliser la négociation collective pour faire baisser le chômage (thèse de la flexibilité). Les auteurs estiment pour leur part que le comportement du chômage dépend largement de la demande et de la structure sectorielle de l'économie (thèse structurelle). Ils évaluent l'apport de ces deux hypothèses dans une analyse reposant sur des données de panel de niveau infranational. Leurs résultats tendent à infirmer la thèse de la flexibilité et font ressortir le rôle primordial des facteurs cycliques et structurels. 相似文献
72.
Hao Luo Gabriela V. Cohen Freue Xin Zhao Alexandre Bouchard‐Ct Igor Burstyn Paul Gustafson 《Revue canadienne de statistique》2019,47(3):473-486
We study the benefit of exploiting the gene–environment independence (GEI) assumption for inferring the joint effect of genotype and environmental exposure on disease risk in a case–control study. By transforming the problem into a constrained maximum likelihood estimation problem we derive the asymptotic distribution of the maximum likelihood estimator (MLE) under the GEI assumption (MLE‐GEI) in a closed form. Our approach uncovers a transparent explanation of the efficiency gained by exploiting the GEI assumption in more general settings, thus bridging an important gap in the existing literature. Moreover, we propose an easy‐to‐implement numerical algorithm for estimating the model parameters in practice. Finally, we conduct simulation studies to compare the proposed method with the traditional prospective logistic regression method and the case‐only estimator. The Canadian Journal of Statistics 47: 473–486; 2019 © 2019 Statistical Society of Canada 相似文献
73.
In students with physical disabilities, the more energy and time required and invested into finding a good posture, the longer the learning process takes. For this reason, the objective of this study was to characterize the posture in the act of writing of wheelchair users in a classroom. Eight students, (three women) aged 18-40, of some of the main universities of the city of Santiago de Cali participated. An observational field study filming of approximately 10 minutes was done while they took notes in their classes. Posture of the head, trunk, and upper extremities was analyzed with respect to its axis and the type of movement in each joint. The postures were classified depending on the location of support surface finding five different postures in the eight students. In these five postures some biomechanical risk factors, usually present in wheelchair users, are increased when they are associated with those postures. Those associated risk factors are: possible disc spine deformation, muscular stress and causing of pressure ulcer. In conclusion, in four of these five postures a poor interaction among person, task and work desk was observed. Therefore, seven of the eight students in this study were found to have a posture that could be considered risky. 相似文献
74.
This paper investigates zoning in a duopoly model of spatial price discrimination. We find that the zone in which the firms are not allowed to locate depends on the bias of the regulator. A bias toward firms is deduced when locations around the central area are forbidden, and a bias toward consumers exists when firms are only allowed to locate at places around the central area. The design of the zoned area guarantees that firms locate optimally and works under simultaneous or sequential choice of locations by the two firms. (JEL L13, R38) 相似文献
75.
Javier Álvarez-Gálvez 《Revista de Psicología Social》2014,29(3):401-429
This paper analyses the association between TV news consumption and public attitudes towards immigration. A multi-level model is used to study the complex relationship between TV news consumption, how the media treat immigration and public attitudes towards minority groups based on a survey of university students. Multi-level analysis results show the impact of aggregate consumption of TV news on the perception of the current immigration phenomenon and the cognitive/affective components of attitude. It also demonstrates the usefulness of this analytical approach for understanding the processes that describe the relationship between the media and attitudes towards immigration. 相似文献
76.
Amarendra SHARMA Oscar CÁRDENAS 《International labour review / International Labour Office》2018,157(2):193-212
The effects of remittances on labour market outcomes have been studied by many researchers, primarily using micro‐level data. While a few studies have also used macro‐level data, they suffer from endogeneity bias due to the inclusion of remittances in their estimations. The present study attempts to fill the gap in the literature by using a set of panel data of Mexican states and by addressing the endogeneity bias with a system GMM (generalized method of moments) estimator. The main conclusions are that remittances increase labour force participation rates and reduce median hours worked, critical employment and unemployment duration. 相似文献
77.
In this paper we consider nonparametric estimation of transition probabilities for multi-state models. Specifically, we focus on the illness-death or disability model. The main novelty of the proposed estimators is that they do not rely on the Markov assumption, typically assumed to hold in a multi-state model. We investigate the asymptotic properties of the introduced estimators, such as their consistency and their convergence to a normal law. Simulations demonstrate that the new estimators may outperform Aalen–Johansen estimators (the classical nonparametric tool for estimating the transition probabilities) in non-Markov situation. An illustration through real data analysis is included. 相似文献
78.
On strategy-proof social choice correspondences: a comment 总被引:2,自引:2,他引:0
Carmelo Rodríguez-Álvarez 《Social Choice and Welfare》2009,32(1):29-35
In a recent paper, Sato (Soc Choice Welf doi:) has provided two alternative definitions of strategy-proofness for social choice correspondences and proved that they are
incompatible with the joint requirements of anonymity, neutrality, and a minimal range condition. In this note, we use the
results in Rodríguez-álvarez (Soc Choice Welf 29:175–199, 2007) to directly prove stronger versions of Sato’s theorems.
The author wishes to thank Shin Sato and John Weymark for their comments and suggestions. Financial support from the Ministerio
de Educación y Ciencia through the Programa Ramón y Cajal 2006 and grant SEJ-2005-04805, the Consejería de Innovación, Ciencia
y Empresa, Junta de Andalucía through grant SEJ-01645, and the Fundación Ramón Areces is gratefully acknowledged. 相似文献
79.
Francisco Miguel Martínez-Rodríguez María de los Ángeles Vilches Norat Alfonso Fernández-Herrería 《Globalizations》2018,15(3):422-436
The neoliberal rationality of recent decades has, as one of its maxims, that of extending market logic to the rest of social dimensions on the basis of competition. However, the spreading of this neoliberal ‘drug’ requires profound political reforms. It calls for a cultural engineering of the public sector which has been fostered by the New Public Management (NPM). This form of governmentality controls current power relations and gives a new meaning to the management of public services, including the educational sector. In this paper, we maintain that there are ‘spaces of resistance’ against the neoliberal educational rationality. We analyse the Center for Ecoliteracy (CFE) as a transformative experience which integrates a holistic perspective into educational practice. We compare the principles of the NPM with those of the CFE, showing that there are more humanistic approaches to education which aim to teach students the need to live in sustainable communities. 相似文献
80.