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排序方式: 共有476条查询结果,搜索用时 15 毫秒
91.
Matthias Wissmann Dieter Babiel Utz Tillmann Klaus Mittelbach Ralph Wiechers Stefan Genth Klaus Wiener 《Wirtschaftsdienst》2018,98(1):7-23
The German economy experiences a boom period. The leading economic research institutes upgrade their economic balance for 2017 to a growth rate exceeding two per cent and their forecasts for 2018 are equally positive. This optimism is widespread despite the UK’s exit from the EU, the protectionist tendencies and the difficult coalition-building in Germany. Technological innovations look ahead: manufacturing industry and trade sector have to react to digital transformation — i.e. electro-mobility, autonomous driving, the use of artificial intelligence and the spread of online trading. 相似文献
92.
Competition policy in Canada and elsewhere has changed remarkably over the last 50 years—in large measure due to advances in economics. In this article, we trace the impact of developments in industrial organization on the three central areas of competition policy: cartels, single firm conduct and mergers. We focus on Canadian competition policy but draw comparisons with developments in the United States and Europe. 相似文献
93.
94.
It is a common practice to complement a forecasting method such as simple exponential smoothing with a monitoring scheme to detect those situations where forecasts have failed to adapt to structural change. It will be suggested in this paper that the equations for simple exponential smoothing can be augmented by a common monitoring statistic to provide a method that automatically adapts to structural change without human intervention. The resulting method, which turns out to be a restricted form of damped trend corrected exponential smoothing, is compared with related methods on the annual data from the M3 competition. It is shown to be better than simple exponential smoothing and more consistent than traditional damped trend exponential smoothing. 相似文献
95.
In most electricity markets generators must submit step-function offers to a uniform price auction. These markets are often modelled as simpler pure-strategy Supply Function Equilibria (SFE) with continuous supply functions. Critics argue that the discreteness and discontinuity of the required steps drastically change Nash equilibria, invalidating predictions of the SFE model. We prove that there are sufficient conditions, offered quantities can be continuously varied, offered prices are selected from a finite set, and the density of the additive demand shock is not too steep, where the resulting stepped SFE converges to the continuous SFE as the number of steps increases, reconciling the apparently very disparate approaches to modelling electricity markets. 相似文献
96.
Abbie Griffin Brett W. Josephson Gary Lilien Fred Wiersema Barry Bayus Rajesh Chandy Ely Dahan Steve Gaskin Ajay Kohli Christopher Miller Ralph Oliva Jelena Spanjol 《Marketing Letters》2013,24(4):323-337
A project funded by the Institute for the Study of Business Markets to develop an understanding of the current state of business-to-business marketing and a research agenda for the field identified a lack of understanding of how the marketing function can or should best contribute to firms’ innovation efforts as the top priority. A workshop of senior academics and research-oriented practitioners explored this topic further, identifying four specific themes: (1) improving customer needs understanding and customer involvement in developing new products, (2) innovating beyond the lab, (3) disseminating and implementing research findings in firms, and (4) marketing’s overall role in innovation. This article defines these themes, sketches the current status of knowledge about each theme, frames practitioners’ issues with them, and proposes research agendas for each theme to move the field forward. The goal is to encourage rigorously executed academic research that can also help firms innovate more successfully. 相似文献
97.
This paper examines Stackelberg price leadership in a spatially competitive model with infinitely many stores on an infinite line. A Stackelberg price leader charges significantly more than the pure Nash equilibrium price, induces its neighbors to charge somewhat more than the pure Nash equilibrium price, and increases its profits. Under Nash equilibrium, collusion of two stores makes a difference to prices only if the colluding stores are nearest neighbors. Under Stackelberg price leadership, collusion makes a difference to prices even if the stores are not nearest neighbors. 相似文献
98.
Article impact is becoming an increasingly popular metric for assessing a scholar's influence, yet little is known about its properties or the factors that affect it. This study tests whether author, article, and methodological attributes influence the impact of SMJ articles, defined as summed counts of article citations. Findings reveal that authors having fewer, more‐often cited articles tended to have SMJ articles that received the most citations. In addition, whether an article appears in a regular or a special issue is not a stable predictor of its impact. Moreover, empirical articles that test primary data, control for more threats to internal validity, and have higher statistical power tend to receive more citations. Further, an article's long‐term impact oftentimes becomes apparent shortly after its publication. Overall, the findings provide new insights into the determinants of impact and its temporal qualities and help explain some of the differences between high and average impact articles. The findings also underscore the need for transparency between author publication strategies (article volume, impact) and the requirements of his/her institution. Implications for authors, reviewers, editors, and administrative evaluation are offered. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
99.
Yifan Gong Todd Stinebrickner Ralph Stinebrickner 《Journal of Applied Econometrics》2020,35(7):940-959
An important feature of postsecondary schooling is the experimentation that accompanies sequential decision making. Specifically, by entering college, a student gains the option to decide at a future time whether it is optimal to remain in college or to drop out, after resolving uncertainty that existed at entrance about factors that affect the return to college. This paper uses data from the Berea Panel Study to quantify the value of this option. The unique nature of the data allows us to make a distinction between “actual” option values and “perceived” option values and to examine the accuracy of students' perceptions. 相似文献
100.