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81.
基于影响服务网点利润的客流量和消费水平两个随机因素进行分析,运用概率论相关理论,给出了服务网点销售额和利润的概率分布,由此确定投资规模及盈利条件。 相似文献
82.
公路施工企业复合标底投标报价博弈模型的研究 总被引:2,自引:0,他引:2
通过对公路工程复合标底投标报价的分析,研究了复合标底的评分办法的博弈规则,建立了基于博弈论的投标报价模型,分析了模型的假设条件及适用范围,并对模型进行了全面评述。 相似文献
83.
文章针对我国建筑业公司制企业社团法人持股现状,重点论述了这些企业如何规范社团法人持股,以适应国有企业新一轮改革的要求,促进企业持续健康发展。 相似文献
84.
85.
我国服务业增加值的核算问题 总被引:30,自引:2,他引:30
本文集中讨论我国服务业增加值估算中存在的问题。由于历史原因和服务业本身的一些特点 ,我国现价服务业增加值被严重地低估了 ,服务业增长率计算也可能存在着偏差。对服务业增加值的以往研究均受到基础数据的限制而未能根本地解决这些问题。服务业统计核算的缺陷严重地阻碍着经济分析和经济决策。因此 ,改善我国服务业统计核算是当务之急。从长远的角度来说 ,服务业增加值核算的改善在很大程度上取决于统计调查的完善。但是 ,在现有的条件下 ,仍然有很大的改善余地。 相似文献
86.
Winston T. H. Koh 《Economic Theory》2006,27(2):393-410
Summary. This paper investigates the optimality of intertemporal price discrimination for a durable-good monopoly in a model where infinitely-lived households face an intertemporal budget constraint, and consume both durable goods and non-durable goods. We prove that the optimal price of the durable good is not constant, and may decrease or increase over time. Some households may choose to purchase the durable good at a later date, and pay lower or higher prices, since the gain in discounted utility of consuming more of the non-durable good more than compensates for the loss in utility from delaying the consumption of the durable good.Received: 12 March 2004, Revised: 7 January 2005, JEL Classification Numbers:
D40, D42, D91.I would like to thank C.D. Aliprantis, the Editor, and an anonymous referee for their generous advice, and constructive comments and suggestions. I have also enjoyed discussions with John Quah on the subject. Research support from the Wharton-SMU Research Centre, Singapore Management University, is gratefully acknowledged. 相似文献
87.
Ben?GroomEmail author Cameron?Hepburn Phoebe?Koundouri David?Pearce 《Environmental and Resource Economics》2005,32(4):445-493
The last few years have witnessed important advances in our understanding of time preference and social discounting. In particular, several rationales for the use of time-varying social discount rates have emerged. These rationales range from the ad hoc to the formal, with some founded solely in economic theory while others reflect principles of intergenerational equity. While these advances are to be applauded, the practitioner is left with a confusing array of rationales and the sense that almost any discount rate can be justified. This paper draws together these different strands and provides a critical review of past and present contributions to this literature. In addition to this we highlight some of the problems with employing DDRs in the decision-making process, the most pressing of which may be time inconsistency. We clarify their practical implications, and potential pitfalls, of the more credible rationales and argue that some approaches popular in environmental economics literature are ill-conceived. Finally, we illustrate the impact of different approaches by examining global warming and nuclear power investment. This includes an application and extension of Newell and Pizer [‘Discounting the benefits of climate change mitigation : how much do uncertain rates increase valuations?’ Journal of Environmental Economics and Management 46 (2003) 52] to UK interest rate data. 相似文献
88.
World oil depletion, including natural gas liquids, was modelled in the past by many authors. Recently, Guseo and Dalla Valle have introduced and Guidolin has applied a new approach following perturbed life-cycle diffusion models. Here we examine joint effects of economic and strategic or technological interventions using a Generalized Bass Model (GBM). Statistical analysis takes into account three different hierarchical levels: natural diffusion, long memory interventions and stochastic components. The main results confirm the statistical significance of historical 1970s shocks and highlight a strong long memory effect due to an increase in oil production after World War II. The estimated peak-date, 2007, and the 90% depletion time, 2019, are determined under an equilibrium intervention hypothesis. 相似文献
89.
The theory of fuzzy sets is applied to the output decisions of a price-taking firm facing imprecise information about expected future prices. Accepting risk resulting from the randomness of prices, the manager is interested in expected profits only. Since the set of possible expected-price vectors is fuzzy, a suitable defuzzification strategy is defined in analogy to the pessimism-optimism index proposed by L. Hurwicz. It depends on the manager's willingness to accept surprises resulting from a deviation of the true expected prices from the values that guided output decisions. Despite a linear cost function, well specified solutions to the optimization problem are possible without resorting to capacity constraints. 相似文献
90.
我国旅游价格管理:现状、改革背景与政策分析 总被引:2,自引:0,他引:2
旅游业发展是一项复杂的系统工程,需要各相关行业和各项政策措施的配套协调。由于旅游价格的杠杆效应,如何应对入世给我国旅游业带来的挑战,改革并完善与国际接轨的旅游价格管理新体制是每一个旅游价格管理工作者应当思考的现实问题。 相似文献