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91.
Zhongmin Wu 《Economics of Planning》2003,36(4):297-314
The purpose of this paper is to explain the pattern of regional unemployment in transitional China. A model is developed to explore how urban unemployment in the provinces is influenced by peasants' wages, formal sector wages, and the size of the formal sector. Evidence from panel data suggests that a significant indicator of high unemployment rates is greater Urban–Rural Income Inequality within the province. The hypothesis is that the urban–rural income gap produces migration, and more rural migrants substitute for urban workers, causing further urban unemployment.Since the economic reforms began in 1978, the non-state owned enterprises have been carrying an increasing weight in the economy, and they have contributed significantly to the rapid economic growth of China. Empirical evidence shows that economic reforms have reduced unemployment. The provinces that are still heavily dependent on the state sector are therefore more likely to experience higher unemployment. 相似文献
92.
Arne Martin Torgersen Finn R. Førsund Sverre A. C. Kittelsen 《Journal of Productivity Analysis》1996,7(4):379-398
In non-parametric methods many units are calculated as efficient. The article suggests a method for ranking efficient units, not by their efficiency, but by importance as benchmarks for the inefficient units, in contrast to earlier suggestions in the literature which rank units high if they are specialized. However, the total potentials for improvement frequently remain unrevealed by calculating radial efficiency measures of the Farrell type only. The article therefore first develops efficiency measures that explicitly extend the radial measures to include slacks. The new measures are applied to a typical multidimensional small-sample data set for Norwegian employment offices. 相似文献
93.
94.
Efficiency measurement with multiple outputs and multiple inputs 总被引:1,自引:2,他引:1
Subal C. Kumbhakar 《Journal of Productivity Analysis》1996,7(2-3):225-255
This paper discusses modeling technical and allocative inefficiencies in both cost minimizing and profit maximizing frameworks with special emphasis on multiple inputs and multiple outputs. Both primal and dual models are considered for this purpose. In the primal approach we use a separable output and input function (the constant elasticity of transformation output function and Cobb-Douglas input function). The dual models assume translog cost or profit functions. Technical inefficiency is assumed to be random in the cross-sectional models, and fixed firm-specific parameter in the panel data models. Allocative inefficiencies are always treated as input-specific parameters. We derive exact relations linking technical inefficiency and allocative inefficiencies to cost and profit when the underlying technology is represented by a flexible functional form such as the translog. It is shown that appending a one-sided homoscedastic error term to model technical inefficiency, or neglecting technical inefficiency altogether in a translog profit tunciton results in model misspecification and inconsistent parameter estimates. 相似文献
95.
当前国际上出现了一种“企业规模无关论”的新观点,与我国目前盛行的“唯规模经济论”截然相反。笔者以为,上述两论都失之片面,正确的理论是在承认的前提下,将规模经济分为两类:专业规模经济和综合规模经济。前者因专业化分工效应而扩大产销规模与市场份额;后者因企业(集团)内部协调成本小于市场交易成本而获得效应。随着市场发育和市场交易成本下降,拥有专业规模经济的企业集团,比之拥有综合规模经济的企业集团更能适应市场的变化与竞争。 相似文献
96.
罗晓珍 《哈尔滨市经济管理干部学院学报》2007,(5)
高职院校培养学生良好的职业道德是体现高职教育特色,提高高职院校办学质量的重要举措.高职院校职业道德教育,必须从学生成长成才阶段的实际情况出发,把社会对人才的要求与高职学生成长的特点结合起来,建立完善的教育内容体系,通过多渠道多途径使之得以实施.思想政治理论课是大学生思想道德教育的主阵地,实习实训、专业知识课等都承载着职业道德教育的任务. 相似文献
97.
我国上市公司财务频繁舞弊的症结研究 总被引:1,自引:0,他引:1
通过对我国上市公司以增发新股为目的的财务舞弊现象进行分析,我们发现,大股东不仅是舞弊收益的获得者,而且还是舞弊通道的制造者,而大股东的存在又是股票流通性不够的结果。因此,非流通股的存在是我国上市公司财务舞弊的症结所在。 相似文献
98.
On a clear day you might see an environmental Kuznets curve 总被引:1,自引:0,他引:1
We shed some new light on the Environmental Kuznets curve (EKC) and show how it can be viewed as a particular form of equilibrium
relationship, where technology and preference parameters determine the shape of the curve. In contrast to most of the literature
on the EKC, we estimate a theoretically consistent model on long-run data (Swedish sulfur emission, covering the period 1900–2002).
Furthermore, we test and date structural change. The model suggests four regimes, 1900–1918, 1919–1933, 1934–1967 and 1968–2002,
generating four rather different patterns for pollution over time. The policy-conclusions are consonant with Pearce’s general
view about the EKC: there is no theoretical presumption that it has an inverted U shape, nor should any country try to “grow
out of the environmental problems” without analyzing the benefits and costs of so doing. 相似文献
99.
浅议我国最佳外汇储备规模 总被引:2,自引:0,他引:2
截止到2005年12月底,我国的外汇储备已达到8000亿美元,关于其数额是多是少的争论进行得如火如荼。本文对充足外汇储备给我国经济和社会带来的有利之处进行了理论上的分析后.又采取数学方法对我国2004年最佳的外汇储备数额进行了测算.得出了一个结论:我国的外汇储备并不多。然后,在此基础上对我国外汇储备的管理提出了几点建议。 相似文献
100.
Vanessa Didelez 《Statistica Neerlandica》2002,56(3):330-345
ML–estimation of regression parameters with incomplete covariate information usually requires a distributional assumption regarding the concerned covariates that implies a source of misspecification. Semiparametric procedures avoid such assumptions at the expense of efficiency. In this paper a simulation study with small sample size is carried out to get an idea of the performance of the ML–estimator under misspecification and to compare it with the semiparametric procedures when the former is based on a correct assumption. The results show that there is only a little gain by correct parametric assumptions, which does not justify the possibly large bias when the assumptions are not met. Additionally, a simple modification of the complete case estimator appears to be nearly semiparametric efficient. 相似文献