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461.
A general approach to analysis of fixed effects models through a reparameterization of the cell means model is outlined. After applying a Q-op3rator, distribution theory for the model is developed. Methods of estimation and hypothesis testing are given and the exact form of each hypothesis is shown. The implementation of these results in a currently available computer package is discussed. 相似文献
462.
N = 63 refugees and asylum seekers, 27 women and 36 men with a mean age of 33.08 years (SD = 10.3) from Chechnya and Afghanistan were granted sponsorships for six months and were randomized to an intervention and a waiting-list control group. Only participants with a history of traumatization benefited from the intervention. For the traumatized sub-sample, sponsorships led to a significant and stable decrease in anxiety, depression, and psychological problems as compared to the control group, with effect sizes comparable to those of psychotherapy. The effects being rather palliative than instrumental, however, sponsorships did not instigate improvements in acculturation, societal contact, or coping capability. Women benefited more from the intervention than men, and Afghans more than Chechen. 相似文献
463.
Olivier Bargain Marco Caliendo Peter Haan Kristian Orsini 《Journal of population economics》2010,23(1):323-351
This paper empirically analyzes the labor supply effects of two “making work pay” reforms in Germany. We provide evidence
in favor of policies that distinguish between low effort and low productivity by targeting individuals with low wages rather than those with low earnings. We discuss our results more generally and with comparisons to the family-based tax credits in force in the US and the UK.
For the evaluation of the policies, we apply a static structural labor supply framework and explicitly account for demand-side
constraints by using a double-hurdle model. 相似文献
464.
Semiparametric predictive mean matching 总被引:1,自引:0,他引:1
Predictive mean matching is an imputation method that combines parametric and nonparametric techniques. It imputes missing
values by means of the Nearest Neighbor Donor with distance based on the expected values of the missing variables conditional
on the observed covariates, instead of computing the distance directly on the values of the covariates. In ordinary predictive
mean matching the expected values are computed through a linear regression model. In this paper a generalization of the original
predictive mean matching is studied. Here the expected values used for computing the distance are estimated through an approach
based on Gaussian mixture models. This approach includes as a special case the original predictive mean matching but allows
one to deal also with nonlinear relationships among the variables. In order to assess its performance, an empirical evaluation
based on simulations is carried out. 相似文献
465.
In Italy the women’s participation is among the lowest in Europe. The female employment rate stands almost 13 percentage points
below the EU average and 22 below the Lisbon target. One of the most important reasons is related to the characteristics of
child care system. We analyze the characteristics of the child care system in Italy and its relationship to the labor market
participation decision of mothers. The two decisions are jointly considered in a discrete choice framework, which also allows
for simple forms of rationing. We go on to estimate a bivariate probit model of the child care and employment decisions and
find evidence that rationing is an important factor in interpreting price effects on utilization rates and employment decisions.
Responsible editors: Deborah Cobb-Clark & Tito Boeri 相似文献
466.
Marco Biagi 《LABOUR》1989,3(1):171-185
ABSTRACT: In this paper the author covers the current Italian debate on union representativeness and democracy, i.e. relations between union leadership and the rank-and-file, focusing on democratic procedures adopted (or not) in the internal decision-making process of the labour organisations. Experiments in the area of union self-regulation (autoregolamentazione) are discussed in connection with the collective bargaining process and strike action, mainly in public and private essential services. The author critically compares these experiments with more innovative solutions adopted in Spain, France, U.K., U.S.A. and Japan. Special attention is given to the role played by secret ballots in increasing union responsiveness. 相似文献
467.
Marco Antonsich Elizabeth Mavroudi Sabina Mihelj 《Identities: Global Studies in Culture and Power》2017,24(2):156-176
Nation and diversity are often cast in oppositional terms. The present joint intervention explores the limits and possibilities of what we call ‘inclusive nation’, i.e. a nation which embraces rather than expunging diversity. To reflect on this idea, the Loughborough University Nationalism Network (LUNN) organized a symposium, bringing together both academics and relevant stakeholders, to explore both theoretically and practically the feasibility of the inclusive nation. For reason of space, here we present only the theoretical views of academics. While Billig and Yuval-Davis highlight the inherent exclusive thrust of nationalism, Kaufmann and Hearn suggest two distinct ways to move away the traditional understanding of nationalism as a site of singularity, oppression and exclusion. A final rejoinder by Nyhagen pushes the debate further interrogating the boundaries of national belonging. 相似文献
468.
Build–operate–transfer (BOT) is a well-established solution used in the engineering and construction industries for building different types of infrastructure (e.g. railways, highways, power plants). In recent years, BOT has increasingly been adopted by companies in the service industry as a mode for entering foreign markets. BOT in service offshoring (SO) is characterised by a number of significant peculiarities (e.g. different numbers of involved parties, fee methods, lengths of the concession period), which may call into question the possibility of extending existing findings that relate to infrastructure projects. The aims of this work are as follows: to collect and systematise existing knowledge on engineering and construction BOT projects; to highlight – through an exploratory case study – how these results could be applied to BOT in SO; and to shed light on the factors affecting the choice between different entry modes (including BOT). 相似文献
469.
This study explored the association between sociosexuality (behavior, attitudes, and desire) and commitment to understand sexual infidelity in current relationships. We also explored how these variables were associated with attitudes toward infidelity. Participants were romantically involved heterosexuals (N = 252; 51 women, 201 men; Mage = 41.13, SD = 9.82) registered on a dating Web site directed at romantically involved individuals. Results showed that sociosexuality, alongside commitment, was associated with sexual infidelity. Individuals who had (versus had not) previously engaged in infidelity reported more unrestricted sociosexuality, while reporting less commitment. For individuals reporting prior sexual infidelity, unrestricted sociosexual desire and lesser commitment were associated with more permissive perceptions of infidelity. For individuals reporting no prior sexual infidelity, greater commitment was always associated with more strict perceptions of infidelity. No gender differences emerged in the analyses. Also, no differences were found according to individual motivations (i.e., looking to know other people versus seeking casual sex) or relational motivations (i.e., individual registration versus registration as a couple) underlying individuals’ registration on the Web site. These results are an important addition to the literature on infidelity by analyzing a specific sample motivated to engage in infidelity. Implications for future research are discussed. 相似文献
470.
A “Swedish” actuarial balance for a notional defined contribution pension scheme with disability and minimum pension benefits
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Juan M. Pérez‐Salamero González Manuel Ventura‐Marco Carlos Vidal‐Meliá 《International social security review》2017,70(3):79-104
This article proposes a “Swedish” type actuarial balance sheet (ABS) for a notional defined contribution (NDC) scheme with disability and minimum pension benefits. The proposed ABS splits the pension system in two parts: the pure NDC part and the redistributive part, which includes the assets and liabilities originating from non‐contributory rights. The article contains a numerical example that sheds light on the real applicability of our proposal. The model has practical implications that could be of interest to policy‐makers, given that it integrates actuarial and social aspects of public pensions and discloses the real cost of redistribution through minimum pensions. 相似文献