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21.
本文运用非参数Maimquist生产率指数评价了1990—2005年中国各省农业经济效率逐期变化动态情况,并利用该指数可分解为技术进步、技术效率改进特性,详细考察中国各区域发展不平衡的具体原因,旨在为促进农业经济健康发展提供科学借鉴。 相似文献
22.
基于2013—2016年三大全球大学排行榜的数据,运用多维标度分析、聚类分析等技术,分析了世界一流大学的类型、特征和发展趋势。研究发现,世界一流大学可以分成两个大类和四个亚类,分别代表了不同的办学类型;在发展趋势上,呈现出\ 相似文献
23.
《商业与经济统计学杂志》2013,31(2):284-294
Measuring productivity change with Malmquist indices has become common practice, because they are easily computed using nonparametric programming techniques and can be readily decomposed into technical and efficiency change. However, this approach is nonstochastic and requires a constant returns to scale assumption to construct the reference technology. We propose estimating productivity change using a stochastic input distance frontier, imposing no restrictions on returns to scale. We derive the analogous decomposition of productivity change and develop a generalized method of moments strategy in which outputs or inputs may be endogenous. We compare two methods in an application to electric utilities. 相似文献
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25.
This paper develops a new methodology to compute social cost of living indices. These indices indicate whether or not price changes have a favourable (or unfavourable) impact on the welfare of the poor. The indices are derived on the basis of two alternative classes of social welfare functions. The methodology developed in the paper is applied to compute social cost of living indices for Thailand and Korea. The empirical results show that changes in prices have generally affected the poor more adversely than the non-poor. 相似文献
26.
Arnstein Aassve Gianni Betti Stefano Mazzuco Letizia Mencarini 《Journal of the Royal Statistical Society. Series A, (Statistics in Society)》2007,170(3):781-799
Summary. Though there is a considerable literature concerned with the economic consequences of marital breakdown, there is still substantial disagreement in terms of its magnitude. One of the major problems underlying this debate is how economic well-being is defined. We implement several measures of well-being of monetary and multidimensional nature by using data from the European Community Household Panel. Another issue in this literature concerns selection bias of divorcing couples. We tackle this issue by using a propensity score matching technique combined with a difference-in-differences estimator. Results confirm the importance of the definition of well-being. We find a strong gender bias when using monetary measures but a considerably lower bias, and for some countries non-existent, when using non-monetary indices. 相似文献
27.
This paper introduces and characterises a class of inequality measures which extends the Atkinson family. This class contains
canonical forms of all aggregative inequality measures, each bounded above by one, provides a new dominance criterion for
ordering distributions in terms of inequality and offers some new graphical procedures for analysts. The crucial axiom for
the characterisation is an alternative to the standard additive decomposition property that we call ‘multiplicative decomposability,’
where the within-group component is a generalised weighted mean with weights summing exactly to one.
An erratum to this article can be found at 相似文献
28.
Some functions that serve as building blocks for construction of a wider range of modes of concordance and dependence are pointed. We probe into interplays of such modes. From the standpoint of their conformity to stochastic dominance ordering of distributions within a Fréchet class, all such derived modes display some parallelism under certain conditions. We finally suggest a novel numeric measure of dependence that covers similar existing measures in literature. 相似文献
29.
Jacek Białek 《统计学通讯:理论与方法》2013,42(5):943-952
In this article, we propose a general formula for aggregative price indices that satisfies most postulates coming from the axiomatic price index theory. We show that the ideal Fisher index, Laspeyres and Paasche formulas, and a lot of other indices are particular cases of the proposed formula. Moreover, using the general formula we can easily define new indices, that would satisfy given postulates. We also present an interesting result for the proposed formula. 相似文献
30.
In this article we review and compare a number of existing tests for detecting randomness in time series data, with emphasis on stock market index data. By comparing variance ratio tests with traditional statistical tests, we have the most extensive simulation comparison of such procedures. The investigated tests are compared over a diverse group of distributions, models, and stock market applications. In our stock market data analysis, the choice of data transformation can have a noticeable effect on test results. This study provides the reader with a guide as to which test and transformation is most appropriate for their use. 相似文献