首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   689篇
  免费   42篇
财政金融   302篇
工业经济   51篇
计划管理   41篇
经济学   152篇
贸易经济   62篇
农业经济   22篇
经济概况   101篇
  2023年   5篇
  2020年   7篇
  2019年   3篇
  2018年   6篇
  2017年   10篇
  2016年   12篇
  2015年   14篇
  2014年   17篇
  2013年   15篇
  2012年   20篇
  2011年   21篇
  2010年   25篇
  2009年   20篇
  2008年   27篇
  2007年   23篇
  2006年   23篇
  2005年   27篇
  2004年   12篇
  2003年   3篇
  2002年   4篇
  2000年   9篇
  1999年   9篇
  1998年   17篇
  1997年   24篇
  1996年   30篇
  1995年   15篇
  1994年   17篇
  1993年   21篇
  1992年   24篇
  1991年   21篇
  1990年   26篇
  1989年   16篇
  1988年   27篇
  1987年   22篇
  1986年   9篇
  1985年   20篇
  1984年   13篇
  1983年   16篇
  1982年   17篇
  1981年   11篇
  1980年   12篇
  1979年   14篇
  1978年   4篇
  1977年   5篇
  1976年   8篇
  1975年   4篇
  1972年   4篇
  1970年   3篇
  1969年   4篇
  1967年   2篇
排序方式: 共有731条查询结果,搜索用时 140 毫秒
51.
Corporate purchasing cards have been offered as an efficient means of maintaining control over purchasing while reducing the administrative cost associated with the acquisition of low-dollar items. However, despite its growing popularity, there has been little systematic research on the use of this technology. This study uses archival data and a survey of users from a single large organisation to describe the nature of purchasing card technology and to investigate the consequences of its implementation. The card was found to be more positively accepted by younger, more committed employees who had shorter periods of tenure at the organisation studied, but who had received higher levels of supervisory encouragement, and who had more experience with credit cards.  相似文献   
52.
53.
This paper uses three methods to estimate quality option values for CBOT Treasury bond futures contracts. It presents evidence regarding: (1) payoffs from exercising this option at delivery, (2) estimates from a T-bond futures pricing model that incorporates this option, and (3) estimates obtained from an exchange option pricing formula. The results indicate that this option is worth considerably less than reported by Kane and Marcus (1986a) . For example, payoffs obtained by switching from the bond cheapest to deliver three months prior to delivery to the one cheapest at time of delivery average less than 0.30 percentage points of par.  相似文献   
54.
Résumé. Cette étude se penche sur l'effort en terme de temps de révision des chefs de groupe en vérification (tel que reflété par leurs estimations du temps requis pour la révision du dossier de vérification) et la mesure dans laquelle cet effort est orienté par une autre activité importante du chef de groupe: la planification initiale de la mission de vérification. La planification initiale de la vérification est conditionnée par l'identification de certaines zones critiques dans la note de planification. Les pressions temporelles et les caractéristiques individuelles du vérificateur sont également étudiées, car les recherches antérieures en vérification semblent indiquer qu'elles sont susceptibles d'influencer la révision du chef de groupe. Cette analyse est fondée sur les réponses, provenant de soixante-treize chefs de groupe de dix grands cabinets d'experts-comptables, à un cas de vérification. Les résultats indiquent que: 1) les chefs de groupe font preuve d'un consensus raisonnable en budgétisant plus de la moitié du temps de vérification pour la révision, 2) le plan initial de vérification oriente leur révision ultérieure, 3) les pressions au niveau du temps n'influencent pas de façon significative leurs estimations relatives au temps de révision, et 4) l'appartenance à un cabinet, le niveau d'expérience de vérificateur, et l'effort de planification initiale sont reliés aux différences des pratiques et des perceptions de la révision par le chef de groupe. La fin de cet article comporte une discussion des conséquences de ces résultats en regard de la pratique et des recherches ultérieures.  相似文献   
55.
Delegating authority can bias social choices. The bias derives from the persuasion process that accompanies social decision making. When decision makers can decide to delegate their authority, asymmetries in decision makers' persuasiveness and openness to persuasion can play an important role in distorting the outcomes of social choices. When permitted in social decision making, such ad hoc delegating may favor extreme points of view and may force more group decisions to formal, social-choice mechanisms such as voting.  相似文献   
56.
According to the conventional wisdom, military conversion in Russia would be more difficult than in the United States because Russia does not have the developed market infrastructure and institutions that help western defense firms redeploy resources for civilian production. A closer look raises doubts about these arguments. Western defense firms have had difficulties with conversion because they cannot compete with the existing relatively efficient civilian firms. Meanwhile, the principal competitors of the Russian defense firms, the large Russian civilian enterprises, are closer in nature to defense enterprises than to efficient market firms. While this does not bode well for the Russian economy in general, the defense enterprises should not find themselves at a significant disadvantage in the civilian markets. Two effects can be distinguished. On the one hand, due to the more developed market infrastructure, the U.S. economy is presumably good at redeploying defense-related resources across firm boundaries. On the other hand, the large and efficient civilian sector in the United States makes the marginal "civilian" value of the redeployed resources low. It is the interaction of these factors, rather than the degree of development of market infrastructure alone, that determines the relative difficulty of military conversion. Additionally, empirical evidence based on regional data indicates that despite enormous defense expenditure cuts, the economic performance of Russia's regions is only relatively weakly correlated with the regions' dependency on defense industry.  相似文献   
57.
58.
59.
60.
The rapidly increasing use of more sophisticated cash management practices is a factor influencing the demand for money that is not considered in standard models of money demand. Within the framework of an inventory theoretic model of money demand, this paper provides theoretical grounds for using the number of electronic funds transfers as an indication of increasing cash management sophistication. Specifically, the demand for demand deposits is determined from the solution of a simultaneous equation system that also determines the optimal level of cash management. Therefore, the level of cash management services influences transactions costs, implying that transactions costs are endogenous. The number of electronic funds transfers is closely linked to the level of cash management services and is therefore related to transactions costs. Models of money demand that treat transactions costs as exogenous and fixed are therefore misspecified and will not perform well when transactions costs are changing. By explicitly incorporating the changing nature of transactions costs through the use of electronic funds transfers, the problems of instability and poor predictive power associated with the demand for money in the 1970's are overcome.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号