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排序方式: 共有7281条查询结果,搜索用时 15 毫秒
61.
Matthias Wrede 《The German Economic Review》2003,4(2):203-216
Abstract. This paper analyzes how deviating from individual taxation affects married couples. The focus is on time allocation, on investment in family‐specific human capital and on distribution of income within the family. Two insights are discussed in detail. First, the distribution of tax‐reduction gains due to the income splitting system depends on whether the family has been started or not. After marriage, joint taxation increases redistribution among family members. Second, although joint taxation reduces the tax burden of the family, it might harm the marriage partner that is more productive in household production provided that potential marriage partners foresee the effects of joint filing on the time allocation within the family. 相似文献
62.
本文讨论了一类新的加工时间可控的单机排序问题,其目标函数为正则函数与最大不满意程度函数之和,不满意函数刻划了对工件实际加工时间偏离其额定加工时间不满意的程度,本文对这类问题提出了几个多项式算法。 相似文献
63.
The Nested PIGLOG Model: An Application to U.S. Food Demand 总被引:1,自引:0,他引:1
A new demand system is introduced, the Nested PIGLOG model, nesting thirteen other demand systems including five that are also new. This new model and its nested special cases are applied to models of U.S. food demand that include food-at-home (FAH), food-away-from-home (FAFH), and alcoholic beverages. Although nested tests and out-of-sample forecasting performance favor generalizing models to a certain degree, statistically insignificant improvements to in-sample-fit and even poorer out-of-sample forecast accuracy undermine further generalizations. Based on a subset of preferred models, FAFH is found to be price and income elastic compared to FAH which is price and income inelastic. 相似文献
64.
65.
施工企业的资金大都匮乏,由此对施工项目的管理带来了一定的困堆,同时也带来了一定的风险,如何进行施工项目的成本管理,如何降低施工项目管理的风险一直是施工企业管理者关注的问题。 相似文献
66.
Julio Dávila 《Economic Theory》1997,10(3):483-495
Summary. In this paper, I study the existence of Sunspot Equilibria in a general framework whose dynamics allow for the presence of
predetermined variables in the system. The main motivation for this research comes from the fact that previous studies did
not allow for such predetermined variables which, nevertheless, appear quite naturally in economic models. I show, for a non-negligible
subset of dynamics with predetermined variables verifying usual assumptions, the existence of Stationary Sunspot Equilibria
fluctuating between an arbitrary finite number of states arbitrarily close to a steady state.
Received: March 1, 1995; revised version September 18, 1996 相似文献
67.
该文认为,随着民营经济在国民经济中地位的迅速提高,民营企业党建工作日显重要。在实战中民营企业党建工作可以从塑造先进企业文化的角度切入,实现民营企业党建工作与民营企业文化塑造的整合,以便最有效地促进企业经济的健康发展。 相似文献
68.
数字图书馆建设中的问题与对策 总被引:1,自引:0,他引:1
简述了数字图书馆的概念及特征,分析了我国数字图书馆建设面临的主要问题,提出了加快数字图书馆建设的对策。 相似文献
69.
70.
Probability theory in fuzzy sample spaces 总被引:2,自引:0,他引:2
This paper tries to develop a neat and comprehensive probability theory for sample spaces where the events are fuzzy subsets of The investigations are focussed on the discussion how to equip those sample spaces with suitable -algebras and metrics. In the end we can point out a unified concept of random elements in the sample spaces under consideration which is linked with compatible metrics to express random errors. The result is supported by presenting a strong law of large numbers, a central limit theorem and a Glivenko-Cantelli theorem for these kinds of random elements, formulated simultaneously w.r.t. the selected metrics. As a by-product the line of reasoning, which is followed within the paper, enables us to generalize as well as to bring together already known results and concepts from literature.Acknowledgement. The author would like to thank the participants of the 23rd Linz Seminar on Fuzzy Set Theory for the intensive discussion of the paper. Especially he is indebted to Professors Diamond and Höhle whose remarks have helped to get deeper insights into the subject. Additionally, the author is grateful to one anonymous referee for careful reading and valuable proposals which have led to an improvement of the first draft.This paper was presented at the 23rd Linz Seminar on Fuzzy Set Theory, Linz, Austria, February 5–9, 2002. 相似文献