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201.
Nigar Hashimzade 《Economic Theory》2003,21(4):907-912
Summary. In this paper I analyze the general equilibrium in a random Walrasian economy. Dependence among agents is introduced in the
form of dependency neighborhoods. Under the uncertainty, an agent may fail to survive due to a meager endowment in a particular
state (direct effect), as well as due to unfavorable equilibrium price system at which the value of the endowment falls short
of the minimum needed for survival (indirect terms-of-trade effect). To illustrate the main result I compute the stochastic
limit of equilibrium price and probability of survival of an agent in a large Cobb-Douglas economy.
Received June 7, 2001; revised version: January 7, 2002
RID="*"
ID="*" I would like to thank Mukul Majumdar and Thomas DiCiccio for helpful discussion and an anonymous referee for valuable
comments and suggestions. 相似文献
202.
In the recent decade, there has been observed across the Central and Eastern European states the regulatory trend towards the increase of the non-financial (first) pension pillar size at the expense of the financial (second) pillar. It tends to question the consequences of this shift for the future retirement benefits. Applying the portfolio approach we address this issue by running a series of simulations to find out how to allocate pension contributions between both pillars in an optimal way. Our study contributes to the existing literature as follows. First, we do not perform the assessment of the predetermined regulatory solutions, but we look for an optimal one. Moreover, we allow our optimal rule to be time-varying, if necessary, which would be a true novelty in this research area. Second, we do not base our estimates on historical trends; rather, we apply the long-term economy’s projection to account for the society’s ageing impact, which is a crucially important factor for the solvency of the pension system. Adapting some of the simulation assumptions to fit the Polish case, our results confirm that current regulations underestimate the role of the capital pillar and the optimal allocation between both pillars should be time-varying. 相似文献
203.
陈原 《生态经济(学术版)》2007,(1)
食品供应链综合管理的核心内容是质量认证与跟踪管理,其思想为解决我国食品供应链中的安全问题提供了基本的思路。本文在分析我国食品供应链中存在的与食品安全相关的问题基础上,对我国实践食品安全供应链综合管理进行了思考,提出了从宏观、中观、微观三个层面上进行食品安全供应链综合管理的框架,并对食品安全供应链综合管理中的信息集成与共享进行了探讨。 相似文献
204.
旅游客流量是衡量区域旅游业及旅游经济发展快慢的一个重要指标,也是反映旅游区景观质量好坏与综合服务水平高低的一个综合指标。文章依据福州市最近5年(1999—2003年)的旅游客流量及相关的社会经济数据,分年度、季度、月与黄金周等不同时段对近年来福州市区域旅游客流量的现状及其变动状况进行分析,并从旅游景区(点)内在的引力因素与外在的社会环境驱动因素两方面对影响福州市客流量的主要驱动因素进行了分析。 相似文献
205.
投资水平严重不足,资金紧缺已成为制约江西经济发展的瓶颈。FDI可提升产业关联度、促进人力资源开发和产生技术溢出效应。江西FDI的战略定位构想是:建立生态产业集聚园、营造良好的投资环境、完善区域性资本市场、培养“本土化”的高级人才。 相似文献
206.
Frédéric Lordon 《Journal of Evolutionary Economics》1997,7(1):1-21
The slow and endogenous twist of economic macro-structure makes up an important evolutionary feature of capitalist economies,
and may be at the root of structural crisis. In this line, a Goodwinian growth model with increasing returns and profit-sharing
that tries to picture a simple scenario of the seventies crisis is considered. It is shown that the exhaustion of the Kaldor-Verdoorn
“productivity law” can entail, in a nonlinear framework, a “catastrophic” bifurcation from a “high” to a “low” growth path.
Slow/fast dynamical systems then allow one to formalize a multiple time-scales dynamics where the growth path is shaped by
the structural framework in which it takes place, but has also a long -un feedback. Structural change and crisis appear as
long term and endogenous outcomes. 相似文献
207.
208.
In this paper we consider the exact D-optimal designs for estimation of the unknown parameters in the two factors, each at only two-level, main effects model with autocorrelated errors. The vector of the n random errors in the observed responses is assumed to follow a first-order autoregressive model (AR(1)). The exact D-optimal designs seek the optimal combinations of the design levels as well as the optimal run orders, so that the determinant of the information matrix of BLUEs for the unknown parameters is maximized. Bora-Senta and Moyssiadis (1999) gave some conjectures about the exact D-optimal designs based on their experience of several exhaustive searches. In this paper their conjectures are partially proved to be true.Received: January 2003 / Accepted: October 2003Partially supported by the National Science Council of Taiwan, R.O.C. under grant NSC 91-2115-M-008-013.Supported in part by the National Science Council of Taiwan, R.O.C. under grant NSC 89-2118-M-110-003. 相似文献
209.
Chris M. Alaouze 《Empirical Economics》2003,28(3):599-613
The modified logit model (Amemiya and Nold, 1975) is generalised to the case where the error term is autocorrelated. The
asymptotic distribution (as n →∞ and T →∞) of a feasible GLS estimator of β is derived. Tests of linear restrictions on β and the significance of ρ are presented.
The results of the applied work suggest that the factors which explain the pricing behaviour of manufacturing firms, as reported
in the tendency survey conducted by the Australian Chamber of Commerce and Industry and the Westpac Banking Corporation, include
historical inflation rates of up to 7 quarters and capacity utilisation.
First version received: March 2001/Final version received: July 2002
RID="*"
ID="*" The first draft of this paper was written while the author was on study leave at the Department of Econometrics, University
of Sydney, Australia. 相似文献
210.