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61.
Jean-François Bonnefon 《Social Choice and Welfare》2010,34(4):631-641
The aggregation of individual sets of judgments over interconnected propositions can yield inconsistent collective sets of judgments, even when the individual sets of judgments are themselves consistent. A doctrinal paradox occurs when majority voting on a compound proposition (such as a conjunction or disjunction) yields a different result than majority voting on each of the elements of the proposition. For example, when most individuals accept proposition X; most individuals accept proposition Y ; but only a minority of individuals accept the compound proposition ‘X and Y’. Conducting two elemental votes would lead to accept X and Y , but conducting one compound vote would lead to reject X and Y . In such a situation, do people manifest a stable preference as to which voting procedure should be applied? This research reports the results of two behavioral experiments using a within-participant design, which show that procedural preferences can be upturned by framing either positively or negatively the set of judgments to be aggregated. This shift in procedural preference leads to large swings in the final collective judgment endorsed by participants. 相似文献
62.
Çi?dem Berber ÇelikHatice Odac? 《Children and youth services review》2012,34(1):200-204
Objective
The aim of this study was to investigate the effect of experience of childhood abuse among university students on self-perception and submissive behavior.Methods
The study group consisted of 646 students attending various departments of the Karadeniz Technical University Faculty of Education in Trabzon, Turkey. Participants were administered the Childhood Trauma Questionnaire, the Social Comparison Scale and the Submissive Acts Scale in a classroom setting.Results
Analysis revealed a significant negative correlation between self-perception and all forms of abuse (physical abuse, sexual abuse, and emotional abuse and neglect), and a positive correlation between submissive behavior and all forms of abuse. The students' emotional abuse and neglect scores varied significantly according to gender, with males having higher emotional abuse and neglect scores than those of girls. Additionally, males had higher physical abuse scores than girls.Conclusion
Childhood abuse emerged as a significant predictor of negative self-perception and submissive behavior. In addition, with the exception of sexual abuse, other forms of abuse vary according to gender. The experiences of childhood abuse may have a long-term impact on various features of character and behavior. 相似文献63.
Digital natives (also known as “Generation Y” and “Millennials”), a generation born during of after introduction of digital technologies, 1980s and after, have mixed preferences for media use in personal and professional lives. A study by Friedl and Tkalac Ver?i? (2011) showed that even though digital natives prefer digital media in their personal lives, this is not necessarily reflected in their business lives. This study addressing preferences of “traditional” vs. “the new media” in a university setting found an opposite result. 相似文献
64.
Using a unique sample on ageing first generation immigrants in France, we explore the distribution of grandchild care across
offspring and the impact of this transfer on the labour supply of the mother. Our results indicate that grandchild care is
spread unequally across siblings, and this inequality is driven more strongly by better labour market potential than by weaker
financial status of the recipient. There is further evidence that even after accounting for potential endogeneity and unobserved
heterogeneity, grandchild care has a positive impact on the labour supply of the mother. The pattern of intergenerational
time transfers differs across people with different national and religions backgrounds. 相似文献
65.
THE RELATIONSHIP BETWEEN DEBT LEVEL AND FISCAL SUSTAINABILITY IN ORGANIZATION FOR ECONOMIC COOPERATION AND DEVELOPMENT COUNTRIES 下载免费PDF全文
Mariam Camarero Josep Lluís Carrion‐i‐Silvestre Cecilio Tamarit 《Economic inquiry》2015,53(1):129-149
In this article we unify the traditional approaches to testing for fiscal sustainability considering the stock‐flow system that fiscal variables configure. Our approach encompasses previous ways of testing for sustainability. The results obtained for a group of 17 Organization for Economic Cooperation and Development (OECD) countries point to weak fiscal sustainability, as well as to the existence of cointegration between deficit and debt, confirming the relevance of the stock‐flow approach. Allowing for structural breaks and multicointegration turns out to be of critical importance to assess whether the fiscal authorities apply their policies looking for sustainability and whether, simultaneously, they try to stabilize real debt target levels. (JEL H62, E62, C22) 相似文献
66.
Journal of Risk and Uncertainty - We analyze the impact of risk aversion and ambiguity aversion on the competing demands for annuities and bequeathable savings using a lifecycle recursive utility... 相似文献
67.
Françoise Forges 《Theory and Decision》1993,35(3):277-310
Aumann's (1987) theorem shows that correlated equilibrium is an expression of Bayesian rationality. We extend this result to games with incomplete information.First, we rely on Harsanyi's (1967) model and represent the underlying multiperson decision problem as a fixed game with imperfect information. We survey four definitions of correlated equilibrium which have appeared in the literature. We show that these definitions are not equivalent to each other. We prove that one of them fits Aumann's framework; the agents normal form correlated equilibrium is an expression of Bayesian rationality in games with incomplete information.We also follow a universal Bayesian approach based on Mertens and Zamir's (1985) construction of the universal beliefs space. Hierarchies of beliefs over independent variables (states of nature) and dependent variables (actions) are then constructed simultaneously. We establish that the universal set of Bayesian solutions satisfies another extension of Aumann's theorem.We get the following corollary: once the types of the players are not fixed by the model, the various definitions of correlated equilibrium previously considered are equivalent. 相似文献
68.
We analyze the risk levels chosen by agents who have private information regarding their quality, and whose performance will
be judged and rewarded by outsiders. Assume that risk choice is observable. Agents will choose risk strategically to enhance
their expected reputations. We show that conspicuous conservatism results: agents of different qualities choose levels below
those that would be chosen if quality were observable. This happens because bad agents must cloak their identity by choosing
the same risk level as good agents, and good agents are more likely to distinguish themselves if they reduce the risk level.
Our results contrast starkly with those for the case when risk choice cannot be observed.
相似文献
Richard ZeckhauserEmail: |
69.
The use of a thermal buttocks manikin was explored as a tool to standardize the evaluation of seat comfort. Thermal manikin buttocks were developed and calibrated thermally and anatomically to simulate the sensible heat transfer of a seated person and used to evaluate interface pressure distribution. In essence, the pressure maps of manikin buttocks with and without heating were compared to those of a seated person. The results of average pressure demonstrated that the thermal manikins have a better response in interface pressure measurement than manikins without heating. 相似文献
70.
Donor imputation is frequently used in surveys. However, very few variance estimation methods that take into account donor imputation have been developed in the literature. This is particularly true for surveys with high sampling fractions using nearest donor imputation, often called nearest‐neighbour imputation. In this paper, the authors develop a variance estimator for donor imputation based on the assumption that the imputed estimator of a domain total is approximately unbiased under an imputation model; that is, a model for the variable requiring imputation. Their variance estimator is valid, irrespective of the magnitude of the sampling fractions and the complexity of the donor imputation method, provided that the imputation model mean and variance are accurately estimated. They evaluate its performance in a simulation study and show that nonparametric estimation of the model mean and variance via smoothing splines brings robustness with respect to imputation model misspecifications. They also apply their variance estimator to real survey data when nearest‐neighbour imputation has been used to fill in the missing values. The Canadian Journal of Statistics 37: 400–416; 2009 © 2009 Statistical Society of Canada 相似文献