排序方式: 共有34条查询结果,搜索用时 500 毫秒
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Ramón E. López Eugenio Figueroa B. Pablo Gutiérrez C. 《Journal of Economic Inequality》2016,14(4):379-394
Most previous studies of income inequality have either ignored capital gains or have used taxable realized capital gains to estimate top incomes. Neither of these approaches is fully satisfactory. We apply for the first time a new methodology that allows us to account for fundamental accrued capital gains as part of the top incomes in a theoretically consistent manner. We estimate the shares of the super-rich in Chile showing that accrued capital gains have a large impact on these estimates. Also, the top income shares estimated using fundamental capital gains appear to exhibit a more stable and presumably more plausible time profile than estimates based on capital gains derived from asset market variations. 相似文献
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Merino GS Teixeira CS Schoenardie RP Merino EA Gontijo LA 《Work (Reading, Mass.)》2012,41(Z1):1045-1052
In product design, human factors are considered as an element of differentiation given that today's consumer demands are increasing. Safety, wellbeing, satisfaction, health, effectiveness, efficiency, and other aspects must be effectively incorporated into the product development process. This work proposes a usability assessment model that can be incorporated as an assessment tool. The methodological approach is settled in two stages. First a literature review focus specifically on usability and developing user-centred products. After this, a model of usability named Usa-Design (U-D?) is presented. Consisted of four phases: understanding the use context, pre-preliminary usability assessment (efficiency/effectiveness/satisfaction); assessment of usability principles and results, U-D? features are modular and flexible, allowing principles used in Phase 3 to be changed according to the needs and scenario of each situation. With qualitative/quantitative measurement scales of easy understanding and application, the model results are viable and applicable throughout all the product development process. 相似文献
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Patrizia Berti Eugenio Regazzini Pietro Rigo 《Statistical Methods and Applications》2001,10(1-3):11-28
LetC be a class of arbitrary real random elements andP an extended real valued function onC. Two definitions of coherence forP are compared. Both definitions reduce to the classical de Finetti's one whenC includes bounded random elements only. One of the two definitions (called strong coherence) is investigated, and some criteria
for checking it are provided. Moreover, conditions are given for the integral representation of a coherentP, possibly with respect to a δ-additive probability. Finally, the two definitions and the integral representation theorems
are extended to the case whereC is a class of random elements taking values in a given Banach space. 相似文献
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We develop a ranking of compact, convex and comprehensive opportunity sets defined in the evaluative space of individual functionings. We suppose the existence of a target, that is a multi-dimensional bliss point in terms of functionings. This leads us to define concepts such as essentiality and freedomin a novel way. As a main result, we give an axiomatic characterization of the ranking obtained by minimizing the Euclidean distance between each opportunity set and the target. 相似文献
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Morris L. Eaton Sandra Fortini Eugenio Regazzini 《Statistical Methods and Applications》1993,2(1):1-16
Summary The present paper includes characterizations of the conditions of spherical symmetry and of centered spherical symmetry. These
characterizations provide an empirical justification for the above mentioned conditions of symmetry. 相似文献
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Summary This expository paper provides a framework for analysing de Finetti's representation theorem for exchangeable finitely additive
probabilities. Such an analysis is justified by reasoning of statistical nature, since it is shown that the abandonment of
the axiom of σ-additivity has some noteworthy consequences on the common interpretation of the Bayesian paradigm. The usual
(strong) fromulation of de Finetti's theorem is deduced from the finitely additive (weak) formulation, and it is used to solve
the problem of stating the existence of a stochastic process, with given finite-dimensional probability distributions, whose
sample paths are probability distributions. It is of importance, in particular, to specify prior distributions for nonparametric
inferential problems in a Bayesian setting.
Research partially supported by MPI (40% 1990, Gruppo Nazionale ?Modelli Probabilistici e Statistica Matematica?). 相似文献
9.
We develop an easy and direct way to define and compute the fiducial distribution of a real parameter for both continuous and discrete exponential families. Furthermore, such a distribution satisfies the requirements to be considered a confidence distribution. Many examples are provided for models, which, although very simple, are widely used in applications. A characterization of the families for which the fiducial distribution coincides with a Bayesian posterior is given, and the strict connection with Jeffreys prior is shown. Asymptotic expansions of fiducial distributions are obtained without any further assumptions, and again, the relationship with the objective Bayesian analysis is pointed out. Finally, using the Edgeworth expansions, we compare the coverage of the fiducial intervals with that of other common intervals, proving the good behaviour of the former. 相似文献
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