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121.
中国三大都市圈经济增长趋于收敛还是发散?——基于协整分析和Granger因果检验 总被引:1,自引:0,他引:1
本文采用Engle和Granger(1987)提出的协整检验方法和Im、Pesaran和Shin(1997)的方法,从时间序列分析角度入手,研究目标是在不同的空间尺度上(全国和三大都市圈),从不同的时间尺度上揭示中国区域经济差异的演化规律。探索改革开放以来三大都市圈区域经济不平衡程度的演化历程与变化趋势。主要结论:长三角和珠三角具有收敛趋势而环渤海都市圈内不存在收敛;三大都市圈之间不存在收敛趋势,在长期受两个共同冲击的影响。 相似文献
122.
Random walk and efficiency tests in the Asia-Pacific foreign exchange markets: Evidence from the post-Asian currency crisis data 总被引:1,自引:0,他引:1
This paper empirically tests the random walk and efficiency hypothesis for 12 Asia-Pacific foreign exchange markets. The hypothesis is tested using individual as well as panel unit root tests and two variance-ratio tests. The study covers the high (daily) and medium (weekly) frequency post-Asian crisis spot exchange rate data from January 1998 to July 2007. The inferential outcomes do not differ substantially between the unit root tests and the variance-ratio tests when using daily data but differ significantly when using weekly data. With the daily data, both types of unit root tests identify unit root components for all the series and two variance-ratio tests provide the evidence of martingale behavior for majority of the exchange rates tested. With the weekly data, panel unit root tests identify unit root component for the exchange rates and, the unit root tests on a single series basis identify unit root component for 10 foreign exchange markets. However, the variance-ratio tests reject the martingale null for the majority of the exchange rates when using weekly data. 相似文献
123.
Parameshwar V. Pandit 《Metrika》2006,64(3):379-387
Several authors in the literature have attempted the quantification of the concept of stochastic dependence for bivariate distribution. Two weighted rank tests for testing independence against a weighted contamination alternative is proposed and their distributional properties are studied. We also derived a locally most powerful rank test for the alternative setting. The rank tests proposed are shown to be asymptotic locally most powerful for specific distributions. 相似文献
124.
This article explains how to obtain straightforward extensions of the most popular univariate non‐nested statistics, and of the RESET‐test, to a multivariate context and examines how to use these tests to compare alternative factor demand systems. The empirical application involves the classical Berndt–Khaled KLEM data set. A statistically adequate specification is determined for each competing factor demand system. The empirical results are interpreted for each system, the models are compared on the basis of multivariate paired and joint non‐nested procedures and practical indications about what to expect if these tests are applied to alternative factor demand specifications are provided. 相似文献
125.
于纪波 《山西经济管理干部学院学报》2003,11(1):55-55,73
在工程制图中,合理设置比例是一个关键问题。如设置不当会给你的绘图带来许多问题和麻烦。本文重点介绍图形单位、绘图比例、屏幕缩放比例、出图比例的概念、相互关系以及如何设置。 相似文献
126.
邱相君 《沈阳工程学院学报(社会科学版)》2005,1(2):20-22
科学的发展观对素质教育的内涵进行了全新解析,在科学发展观指导下的素质教育,是坚持以人为本,坚持全面、协调、可持续发展,是以推动人的全面自由发展为最终目的的科学教育发展观。 相似文献
127.
Recent contributions to the empirical growth literature show no tendency to convergence in specification, as researchers seek to identify new variables that can account for significant regional effects in earlier work. We conduct non-nested tests between the models of Barro (1997), Easterly and Levine (1997) and Sachs and Warner (1997). The data strongly prefer an encompassing model, but fail to reject any of the candidate models, implying that each model represents a partial truth. We identify a model that includes most (but not all) of the regressors in the candidate models and is robust to the inclusion of regional dummies. 相似文献
128.
Analysis, model selection and forecasting in univariate time series models can be routinely carried out for models in which the model order is relatively small. Under an ARMA assumption, classical estimation, model selection and forecasting can be routinely implemented with the Box–Jenkins time domain representation. However, this approach becomes at best prohibitive and at worst impossible when the model order is high. In particular, the standard assumption of stationarity imposes constraints on the parameter space that are increasingly complex. One solution within the pure AR domain is the latent root factorization in which the characteristic polynomial of the AR model is factorized in the complex domain, and where inference questions of interest and their solution are expressed in terms of the implied (reciprocal) complex roots; by allowing for unit roots, this factorization can identify any sustained periodic components. In this paper, as an alternative to identifying periodic behaviour, we concentrate on frequency domain inference and parameterize the spectrum in terms of the reciprocal roots, and, in addition, incorporate Gegenbauer components. We discuss a Bayesian solution to the various inference problems associated with model selection involving a Markov chain Monte Carlo (MCMC) analysis. One key development presented is a new approach to forecasting that utilizes a Metropolis step to obtain predictions in the time domain even though inference is being carried out in the frequency domain. This approach provides a more complete Bayesian solution to forecasting for ARMA models than the traditional approach that truncates the infinite AR representation, and extends naturally to Gegenbauer ARMA and fractionally differenced models. 相似文献
129.
WANG Rui-ze 《中国经济评论(英文版)》2007,6(2):43-46
Although the Cointegration Theory was founded by the C.W.J Granger and other economists in the 1980s, it was not widely used in China until C.W.J Granger was awarded with Nobel Prize in 2003. Since then, a lot of economic papers introducing or applying Cointegration Theory have emerged, but the phenomenon of misuse of this theory possibly arose at the same time. Based on some of these papers obtained from web site (www.cnki.net), this paper explores the applications of Cointegration Theory in China and draws some initial conclusions. Most of these applications are reasonable, but some of them are a bit blindfold or even contradictory in conclusions, which indicates that the overall application quality has a large room to get improved and should be paid more attention by academe. 相似文献
130.
现代法人组织管理权“亚腐败”问题初探 总被引:1,自引:0,他引:1
文章从提出了现代法人组织管理权 "亚腐败"问题,并归纳了管理权"亚腐败"表现形式,分析了管理权"亚腐败"诱发的根源,最后提出了关于防治管理权"亚腐败"的几点建议. 相似文献