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排序方式: 共有465条查询结果,搜索用时 15 毫秒
1.
Frdric Koessler 《Games and Economic Behavior》2004,48(2):1053-320
This paper provides a model for the study of direct, public and strategic knowledge sharing in Bayesian games. We propose an equilibrium concept which takes into account communication possibilities of exogenously certifiable statements and in which beliefs off the equilibrium path are explicitly deduced from consistent possibility correspondences, without making reference to perturbed games. Properties of such an equilibrium and of revised knowledge are examined. In particular, it is shown that our equilibrium is always a sequential equilibrium of the associated extensive form game with communication. Finally, sufficient conditions for the existence of perfectly revealing or non-revealing equilibria are characterized in some classes of games. Several examples and economic applications are investigated. 相似文献
2.
This article reviews the law regarding Title VII employment discrimination protection from religious discrimination. The issues surrounding the principal legal protection in this regard are explored in the context of a recent controversial case in which an author, Forrest Mims, was not hired as a regular contributor forScientific American magazine, ostensibly because of his belief in the theory of creation over the theory of evolution. The definition of what constitutes a protected religious belief or practice is seen to have expanded over time. However, a belief in creationism is not necessarily seen as being tantamount to a religious belief under present legal interpretation of Title VII. The implications of this finding for future needed Title VII revision are discussed. 相似文献
3.
民间信仰的社会功能及导控--构建和谐社会视角 总被引:2,自引:0,他引:2
黄建铭 《福建行政学院福建经济管理干部学院学报》2006,(3):78-81
民间信仰是构建社会主义和谐社会中不容丢弃的大众文化资源,是不可或缺的重要因素。必须正确运用民间信仰的社会功能,化解与社会主义道德相悖的东西。必须在法治视野内导控民间信仰,使之成为我国和谐社会构建中可利用的重要文化资源。 相似文献
4.
Michael Porter, the influential Harvard management guru, has promoted the idea that compliance with stricter environmental regulations can afford secondary benefits to firms through improved product design, innovation, corporate morale and in other ways. Once these secondary benefits are factored, the net cost of compliance is argued to be lower than conventionally thought and may even be negative. Whilst environmental economists have rejected the Porter Hypothesis as being based on excessively optimistic expectations of the likely size of such secondary benefits the underlying ideas do enjoy significant credence in the business community. In the context of a lobbying model of regulatory policy-making we argue that the EPA should change the way it conducts regulatory policy to take account of Porter's views – even if it knows those views to be misguided. The model serves to illustrate the more general point that fashions in management thinking can be expected to impact the optimal conduct of regulatory policy. 相似文献
5.
Hiroyuki Nakata 《Economic Theory》2003,21(2-3):697-727
Summary. This paper studies how communication or exchange of opinions influences correlation of beliefs. The paper focuses on a situation
in which agents communicate with each other infinitely many times without observing data. It is an extension to the ‘Expert
Problem’ in Bayesian theory, where the informational flow is asymmetric. Moreover, this paper generalizes the existing literature
of communication that employs the common prior assumption (CPA) by allowing for heterogeneous beliefs. Some basic convergence
results are shown in contrast with the results obtained under the CPA. Furthermore, several economic implications of the basic
results are provided.
Received: August 27, 2001; revised version: April 16, 2002
RID="*"
ID="*" The results presented in this paper are taken from my Ph.D. thesis at Stanford University. I gratefully acknowledge
the inspiration obtained from innumerable discussions with Mordecai Kurz about this subject. Also, I appreciate comments from
Kenneth J. Arrow, Peter J. Hammond, Maurizio Motolese, Carsten K. Nielsen, Ho-Mou Wu and the anonymous referee. 相似文献
6.
Summary. We prove existence of a competitive equilibrium in a version of a Ramsey (one sector) model in which agents are heterogeneous
and gross investment is constrained to be non negative. We do so by converting the infinite-dimensional fixed point problem
stated in terms of prices and commodities into a finite-dimensional Negishi problem involving individual weights in a social
value function. This method allows us to obtain detailed results concerning the properties of competitive equilibria. Because
of the simplicity of the techniques utilized our approach is amenable to be adapted by practitioners in analogous problems
often studied in macroeconomics.
Received: September 13, 2001; revised version: December 9, 2002
RID="*"
ID="*" We are grateful to Tapan Mitra for pointing out errors as well as making very valuable suggestions. Thanks are due
to Raouf Boucekkine and Jorge Duran for additional helpful discussions. We also thank an anonymous referee for his/her helpful
comments. The second author acknowledges the financial support of the Belgian Ministry of Scientific Research (Grant ARC 99/04-235
“Growth and incentive design”) and of the Belgian Federal Goverment (Grant PAI P5/10, “Equilibrium theory and optimization
for public policy and industry regulation”).
Correspondence to: C. Le Van 相似文献
7.
This paper investigates the impact of divergent consumer confidence on option prices. To model this, we assume that consumers
disagree on the expected growth rate of aggregate consumption. With other conditions unchanged in the discrete-time Black–Scholes
option-pricing model, we show that the representative consumer will have declining relative risk aversion instead of the assumed
constant relative risk aversion. In this case all options will be underpriced by the Black–Scholes model under the assumption
of bivariate lognormality.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
8.
《International Journal of Forecasting》2019,35(4):1318-1331
This paper proposes a cluster HAR-type model that adopts the hierarchical clustering technique to form the cascade of heterogeneous volatility components. In contrast to the conventional HAR-type models, the proposed cluster models are based on the relevant lagged volatilities selected by the cluster group Lasso. Our simulation evidence suggests that the cluster group Lasso dominates other alternatives in terms of variable screening and that the cluster HAR serves as the top performer in forecasting the future realized volatility. The forecasting superiority of the cluster models are also demonstrated in an empirical application where the highest forecasting accuracy tends to be achieved by separating the jumps from the continuous sample path volatility process. 相似文献
9.
This article investigates the effect of heterogeneous beliefs on firms’ mergers and acquisitions (M&A) decisions. Using data of China’s financial market, which is featured with great heterogeneity of belief, we find that heterogeneous beliefs are positively associated with the occurrence of M&A transactions, and firms with greater heterogeneous beliefs are more likely to pay the transactions with stock. Moreover, we show that government intervention, measured by state ownership, weakens the effect of heterogeneous beliefs on firms’ M&A decisions. 相似文献
10.
Elijah Nyaga Munyi 《New Political Economy》2016,21(1):49-68
Contrary to extant propositions on the primacy of trade dependency in compelling faster agreement by subordinate states in asymmetrical economic negotiations, in the European Union–Africa, Caribbean and Pacific (EU–ACP) Economic Partnership Agreement (EPA) negotiations, it is the states that were least materially vulnerable that were quickest to accept an EPA. Why so? I argue that the speed and propensity of ACP states to accept and ratify their EPAs were principally hinged on variances in preference formation based on what Ikenberry and Kupchan [(1990), ‘Socialization and Hegemonic Power’, International Organization, 44 (3), pp. 283–315: 283] call ‘substantive beliefs rather than material payoffs’. The quickest states to ratify an EPA were those which most intensely shared the EU's neoliberal belief in an automatic correlation between trade liberalisation and economic growth, rather than those that were most materially vulnerable. Therefore, by taking the normative sources of preference formation by subordinate states seriously, we can not only derive a parsimonious explanation of EPA negotiating efficiency but also form a foundational conceptual model of predicting efficiency in asymmetrical negotiations that unifies the role of both normative and material considerations. 相似文献