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81.
This paper aims at clarifying the concept of strategic flexibility, starting from that much more common of manufacturing flexibility (or operational one). After characterizing the dimensions of the latter, a classification of strategic flexibility is presented which distinguishes four categories. The measures of strategic flexibility are also investigated. Then two analogies are pointed out with the operational flexibility. The first, of the cause-effect type, is on two levels: at the business level, the operational flexibility estimates the variation of practices, while the strategic flexibility measures the effect obtained on performances; at the corporate level, the operational flexibility estimates the variation of competences, while the strategic flexibility evaluates the change in business. The second analogy, related to the classification variables, permits the main types of operational and strategic flexibilities to be placed in a single framework. So this study seeks to provide a framework—which has not been proposed in prior literature—for analyzing and evaluating the correlated concepts of operational and strategic flexibilities, to create a theoretical foundation for future research and empirical testing. 相似文献
82.
1. In 1975, the American Psychological Association stated that homosexuality was not a disorder and that homophobia was a form of prejudice based on stereotypes. 2. Because homophobia, like racism or sexism, is learned, it can be unlearned. 3. People who feel homosexuality is a choice hold more negative attitudes toward individuals who are gay, lesbian, bisexual, or transgendered. 4. Homophobia not only damages individuals who are gay, lesbian, bisexual, or transgendered, but also limits heterosexuals by locking them into rigid gender-based roles. 相似文献
83.
Sensitivity analysis aims to ascertain how each model input factor influences the variation in the model output. In performing global sensitivity analysis, we often encounter the problem of selecting the required number of runs in order to estimate the first order and/or the total indices accurately at a reasonable computational cost. The Winding Stairs sampling scheme (Jansen M.J.W., Rossing W.A.H., and Daamen R.A. 1994. In: Gasman J. and van Straten G. (Eds.), Predictability and Nonlinear Modelling in Natural Sciences and Economics. pp. 334–343.) is designed to provide an economic way to compute these indices. The main advantage of it is the multiple use of model evaluations, hence reducing the total number of model evaluations by more than half. The scheme is used in three simulation studies to compare its performance with the classic Sobol' LP. Results suggest that the Jansen Winding Stairs method provides better estimates of the Total Sensitivity Indices at small sample sizes. 相似文献
84.
Stefano FARNÉ Carlos Andrés VERGARA 《International labour review / International Labour Office》2015,154(2):253-269
Over the period 2002–11, the Colombian labour market saw a marked improvement in employment opportunities, accompanied by an increase in nonstandard forms of employment. The authors look at how this affected employment quality, using a composite index based on Categorical Principal Components Analysis (CATPCA). They observe a small but widespread improvement in employment quality – mainly for self‐employed women – brought about by higher earnings, increased social protection and less time‐related underemployment. However, a considerable “quality deficit” remains, which calls for policies to strengthen labour market institutions and stimulate productivity and investment. 相似文献
85.
Abstract. Cluster analysis and the classification tree technique are applied to investigate the relationship between the individual characteristics of Italian temporary help agency (THA) workers and their probability of achieving a temporary job. The application aims to show some advantages of these techniques with respect to traditional econometric tools. Sketches of the most common profiles among Italian THA workers are obtained as a result. Besides the typical THA worker pointed out by previous studies (young male workers, with a medium–high level of education, living in the Northern regions), two new profiles have been identified: the first comprising male manual workers with previous job experience, whose average age is over 30 and whose educational level is low; the second comprising young female workers with a medium–high level of education, working in the service sector or in the public sector. The results are compared with the more usual logit analysis and show their robustness. 相似文献
86.
Under globalization and the rapid development of international trade and economic relationships, it is necessary to find common
rules in private law. Nonetheless, an aspect that must be taken into account is that law is a mirror of a respective society
and therefore it should also be considered that juridical fragmentation reflects these differences among societies. Hence,
a ‘glocalized’ approach seems to be more suitable and, for it to be put it into practice, the efforts should be devoted to
seeking legal harmonization instead of unification. The former, beside all the other things, is to be preferred in terms of
feasibility. Harmonization does not equally show the same degree of difficulty in all the fields: it seems to be easier (and
more urgent) to be achieved in obligations-contracts and commercial law than in family law or in property and real rights
law. Considering this, our research, contains an overview on the advantages of legal harmonization and a brief survey on methods
that have been employed and that are being employed now to reach this goal. Even at this preliminary stage, we have noticed
that we should pay attention to a theoretical principles-based logic-systematic method and to the role played by jurists of
reaching this goal. 相似文献
87.
88.
We present an objective Bayes method for covariance selection in Gaussian multivariate regression models having a sparse regression and covariance structure, the latter being Markov with respect to a directed acyclic graph (DAG). Our procedure can be easily complemented with a variable selection step, so that variable and graphical model selection can be performed jointly. In this way, we offer a solution to a problem of growing importance especially in the area of genetical genomics (eQTL analysis). The input of our method is a single default prior, essentially involving no subjective elicitation, while its output is a closed form marginal likelihood for every covariate‐adjusted DAG model, which is constant over each class of Markov equivalent DAGs; our procedure thus naturally encompasses covariate‐adjusted decomposable graphical models. In realistic experimental studies, our method is highly competitive, especially when the number of responses is large relative to the sample size. 相似文献
89.
Barriers and Enablers to Safeguarding Children and Adults within a Disability Services Context: Insights from an Australian Delphi Study
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Goetz Ottmann Keith McVilly Julie Anderson Jessica Chapman Imalka Karlyawasam Alana Roy Nahila Satari Adam Stefano 《Social Policy & Administration》2017,51(3):488-510
Research conducted in the 1990s revealed the tragic irony that exposure to the disability support system, and particularly to its institutional forms, was a major risk factor related to the neglect and abuse of children and adults with a disability. Subsequently, a range of policies have been introduced to minimize risk. However, recurring events of abuse and neglect in the disability services sector in high and middle income countries demonstrate that processes geared to safeguard children and adults with a disability from abuse and neglect remain insufficient. To establish the wider fabric of organizational factors that contribute to effective safeguarding practices within the Australian disability support sector, a modified online Delphi study was conducted, capturing the views of disability services staff and managers (n = 249) regarding barriers and enablers to effective safeguarding. This study identified issues concerning organizational culture, management practice, workforce development, client capacity building and contextual factors. During Round Two of the Delphi, participants were asked to rate the categorized enabler statements according to importance on a 10‐point Likert scale, to ascertain the degree of consensus. A total of 262 of the statements were regarded as important or very important. The Delphi result highlighted the considerable gap between the wider systemic and cultural processes that, in the eyes of disability services staff and management, contribute to good safeguarding practice and the safeguarding measures currently in place. The article calls for a holistic approach to safeguarding that addresses procedural issues and to the transformation of the wider systemic and cultural fabric of an organization. 相似文献
90.
We provide a characterization of the volume-ranking of opportunity sets as defined on the set of all polyconvex sets, i.e.
finite unions of convex, compact, Euclidean sets. In fact, such a domain is large enough to encompass most of the opportunity
sets typically encountered in economic environments, including non-linear or even non-convex budget sets, and opportunity
sets arising from production sets. Our result relies on a valuation-based volume-characterization theorem due to Klain and
Rota (Introduction to Geometric Probability, Cambridge University Press, Cambridge, 1997) and helps to highlight some quite
unusual conditions under which the volume-ranking can be justified as a freedom-ranking of opportunity sets. Therefore, it
may also help to understand why the latter has been so conspicuously ignored in welfare analysis.
Thanks are due to Larry Kranich, Massimo Marinacci, Uri Rothblum, Ernesto Screpanti, John Weymark, Yongsheng Xu, Claudio Zoli
and two anonymous referees for helpful comments and suggestions. 相似文献