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91.
This paper develops a model of the relationship between public sector employment, total output and aggregate real demand
in market prices, where public employment has a positive productivity effect on private output. Public employment crowds out
private employment and output because its increase induces higher wages and taxes. The valuation of government output is also
taken into account. While public employment affects total output and aggregate real demand in an a priori ambiguous way, numerical
simulations suggest that the relationship may be nonlinear; positive, when public sector is “small” and negative, when it
is “large”. Using the annual data from 22 OECD countries over the period 1960–1996 and estimating and testing for threshold
models and more commonly used specifications with multiplicative interaction terms give support to this nonlinearity hypothesis
between public employment and private sector output.
First version received: October 1996/Final version received: April 2000 相似文献
92.
93.
Efficient development of industries requires a broad range of technological capabilities which can be acquired only by a long process of learning. Continuous measuring and monitoring of the ever-changing technological learning would be useful for building technological capability and managing technological policies. Nevertheless, research on how to measure the technological learning over time at macro levels remains largely untouched. In this paper, by adding the experience curve into the multifactor productivity part of Neoclassical production function, we will develop a model which will allow one to estimate the technological learning levels over long periods. This model would allow a user to both estimate the past learning experiences and forecast its future path on a time varying basis. The model has been used and tested in the estimation of the annual technological learning values for 28 Turkish manufacturing industries from 1981 to 2000. 相似文献
94.
Zongwu Cai 《Statistica Neerlandica》2002,56(4):415-433
For nonlinear additive time series models, an appealing approach used in the literature to estimate the nonparametric additive components is the projection method. In this paper, it is demonstrated that the projection method might not be efficient in an asymptotic sense. To estimate additive components efficiently, a two–stage approach is proposed together with a local linear fitting and a new bandwidth selector based on the nonparametric version of the Akaike information criterion. It is shown that the two–stage method not only achieves efficiency but also makes bandwidth selection relatively easier. Also, the asymptotic normality of the resulting estimator is established. A small simulation study is carried out to illustrate the proposed methodology and the two–stage approach is applied to a real example from econometrics. 相似文献
95.
《西方经济学》宏观部分若干概念错误与纠正——与厉以宁、朱善利、章铮等商榷 总被引:1,自引:0,他引:1
叶衎 《河北经贸大学学报》2003,24(6):6-9
文章阐述了宏观经济学中几个重要的基本概念,指出了厉以宁先生主编的《西方经济学》一书中的几处基本概念表述的错误,并进一步作了纠正,欲与作者商榷。 相似文献
96.
徐龙封 《安徽工业大学学报(社会科学版)》2003,20(3):99-100
加强曲线、曲面积分概念讲解,标准化曲线、曲面积分的计算程序,沟通有关积分之间关系,以消除学生 对斯托克斯等公式的深奥感,有效地突破了曲线、曲面积分教学中的几个难点。 相似文献
97.
新疆人口城市化问题研究 总被引:1,自引:0,他引:1
运用人口普查资料及其它人口统计数据 ,分析新疆城镇人口过去 50年的变化 ,探究新疆人口城镇化过程的特征和成因 ,并运用数学模型预测未来新疆城镇人口及人口城镇化水平。提出新疆城镇体系发展战略构想及对策 相似文献
98.
为合理选择单螺杆泵,将螺杆泵抽油井作为一个大的生产系统,把油层、套管、油管、井下螺杆泵机组和井口作为5个子系统,利用系统节点分析法,确定出泵的工作载荷,并根据油井的实际工作参数,对泵特性曲线进行换算。由油井工作参数和单螺杆泵输油特性曲线对比可知,单螺杆泵的特性曲线和油井工作参数配合最好的情况是:油井的工作点应位于泵特性曲线Q0-H0的下面,而且在高效区的开始处。实践证明,采用这种方法选泵,既能保证油井的产量,又能明显地提高单螺杆泵整套装置的效率,还能延长泵的使用寿命。 相似文献
99.
THE J CURVE: CHINA VERSUS HER TRADING PARTNERS 总被引:4,自引:0,他引:4
The short‐run effects of currency depreciation are said to be different from its long‐run effects. In the short run, the trade balance deteriorates and improvement comes after some time; hence, the J‐curve phenomenon. Previous studies that tested the response of the trade balance to exchange rate changes in China employed aggregate trade data and provided mixed results. Indeed, most of them concluded that real depreciation has no long‐run impact on the Chinese trade balance. In this paper, we disaggregate the data by country and using recent advances in time series modelling estimate a trade balance model between China and her 13 major trading partners. We show that real depreciation of the Chinese currency has a favourable impact on her trade balance with a few partners, especially the USA. Not much support is found for the J‐curve hypothesis. 相似文献
100.
The paper seeks to explain the inflationary dynamics in the Baltic countries since the mid-1990s. Single-equation estimations generally yield poor results, while panel data estimations provide statistically and economically satisfactory findings. The main result is that the observed gradual disinflation can to a large extent be explained by adjustment to international prices. Stringent fixed exchange rate systems have exerted downward pressure on inflation both directly and via expectations to future inflation. Measures of excess capacity in the labour market have no effect on inflation, while industrial output gaps have some explanatory power. Real oil price shocks have an immediate but short-lived impact on inflation. 相似文献