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   21821篇
  免费   154篇
财政金融   3599篇
工业经济   1226篇
计划管理   3428篇
经济学   4949篇
综合类   534篇
运输经济   32篇
旅游经济   65篇
贸易经济   5538篇
农业经济   223篇
经济概况   1727篇
信息产业经济   44篇
邮电经济   610篇
  2023年   34篇
  2022年   26篇
  2021年   57篇
  2020年   89篇
  2019年   117篇
  2018年   2398篇
  2017年   2170篇
  2016年   1364篇
  2015年   220篇
  2014年   240篇
  2013年   642篇
  2012年   652篇
  2011年   2124篇
  2010年   1981篇
  2009年   1721篇
  2008年   1673篇
  2007年   2021篇
  2006年   226篇
  2005年   516篇
  2004年   594篇
  2003年   685篇
  2002年   368篇
  2001年   178篇
  2000年   149篇
  1999年   100篇
  1998年   120篇
  1997年   89篇
  1996年   103篇
  1995年   79篇
  1994年   79篇
  1993年   68篇
  1992年   79篇
  1991年   63篇
  1990年   64篇
  1989年   64篇
  1988年   52篇
  1987年   44篇
  1986年   70篇
  1985年   71篇
  1984年   69篇
  1983年   52篇
  1982年   75篇
  1981年   48篇
  1980年   48篇
  1979年   38篇
  1978年   36篇
  1977年   35篇
  1976年   32篇
  1975年   27篇
  1972年   21篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
101.
Over the last decades, developed countries have provided developing countries with preferential market access via trade policies in the form of nonreciprocal preferential trade agreements (NRPTAs). Despite the lack of reciprocity of this kind of agreements, certain criteria for designating eligible countries refer to the commercial interests of benefactor countries. This paper examines for the first time the effect of NRPTAs on benefactors’ exports to beneficiary countries. Using recent developments in the econometric analysis of the gravity equation, we find robust evidence that nonreciprocal agreements have had an economically significant effect on exports not only for beneficiary countries but also for benefactor countries.  相似文献   
102.
Our paper reconsiders the triadic design proposed by Cox (Games and Economic Behavior 46:260–281, 2004) to identify trust and reciprocity in investment games. Specifically, we extend the design in two directions. First, we collect information on investors’ choices by using both the direct-response (as does Cox) and strategy methods. Using the latter, we are able to condition reciprocity on initial inequality, which is endogenous when investigating reciprocity. We demonstrate that the triadic design provides evidence for reciprocity once that initial inequality is considered. Second, we elicit expectations and test their coherence with the triadic outcomes. By examining the relationship between trust actions and expected gains, we analyze whether investors’ expectations are consistent with their behavior. Finally, we test for the existence of an emotional bias, i.e., whether expectation mismatches induce trustees to change actual choices from the planned ones.  相似文献   
103.
This paper analyzes information exchange in a model of transnational pollution control in which countries use private information in independently determining their domestic environmental policies. We show that countries may not always have an incentive to exchange their private information. However, for a sufficiently high degree of predictability of domestic environmental policy processes, the expected welfare from sharing information is greater than the expected welfare from keeping it private. The minimum degree of policy predictability for which information sharing occurs increases with the level of environmental risk. Intuitively, information exchange can help mitigate the perception of global uncertainty (both political and scientific) that surrounds transnational environmental problems and potentially improve welfare if policymaking processes are sufficiently aligned with evidence-based approaches (predictable).  相似文献   
104.
We analyse competition between two network providers when the quality of each network depends negatively on the number of customers connected to that network. With respect to price competition we provide a sufficient condition for the existence of a unique pure strategy Nash equilibrium. Comparative statics show that as the congestion effect gets stronger quantities will decrease and prices increase, under both Bertrand and Cournot competition. In an example with endogenous capacities it turns out that equilibrium capacities are at first increasing and then decreasing in the strength of congestion. Furthermore, capacities are higher under Cournot competition. Welfare comparisons between Bertrand and Cournot competition are unambiguous for fixed capacities, but may turn around for endogenous capacities.  相似文献   
105.
This essay is based on remarks presented by the author at The Fourth Bi-Annual Cross-Border Post Keynesian Conference, Buffalo State College, on October 9, 2009. It addresses the economic challenges facing Buffalo, New York, and countless other American cities, especially in the Northeast and Midwest; draws on the writings of Hyman Minsky to offer an interpretation of what many now call the Great Recession, which began in late 2007; and challenges the image of Minsky presented by mainstream economists and journalists, with special attention to a recent lecture by Paul Krugman. The essay closes by returning to Buffalo, where—as Minsky anticipated in the 1990s—the economic fate of working families depends largely on the outcome of a national struggle over the shape of future U.S. economic transformation.  相似文献   
106.
The widespread adoption of joint ventures in the 1980s and strategic alliances in the 1990s by a spectrum of businesses across industries has resulted in cooperative strategy emerging as the corporate and business strategy of the global economy. Of further significance, however, is the relaxation by antitrust authorities in the USA and the EU of policies forbidding or restricting horizontal or competitor collaborations. Beginning in the 1980s, legislation, regulations and guidelines have established a business environment conducive to competitor collaborations. This evolution in competition policy is justified by the need for accelerating technology-based innovations at the firm level, thus improving competitiveness at the national level. The US government and the European Commission have provided firms with "safe harbors' to develop strategic technology alliances with competitors, albeit with notable differences in specific market share thresholds and emphases on qualitative versus quantitative perspectives in their respective competition policy frameworks.  相似文献   
107.
The Capital Asset Pricing Model has been used frequently to derive a fair price of insurance. But the use of this model overestimates insurance premiums because it does not account for the insolvency risk of insurers. This paper examines how the insurance price should be fairly adjusted when insurers' default risk is considered. It develops a model which shows that fair insurance premiums are lower when insurance firms have a positive probability of being insolvent. Using data of property liability insurers during the period from 1943–99, the paper further estimates the effects of the insolvency risk on insurers' underwriting profit rate. It shows that the incorporation of the default risk of insurers in the model, by significantly reducing the required price for insurance, would lead to lower profit potentials. Some writers argue that including the insolvency risk when calculating insurance premiums is not so necessary because of the existence of states' guaranty insurance funds which protect consumers. However, as shown in the paper, these funds have provided inadequate protection to consumers. Therefore, because of the increase in the number of insolvencies in recent years, and because of the limited coverage provided by states' guaranty funds, it seems that considering the insolvency risk in insurance pricing has become very necessary.  相似文献   
108.
It has been argued that “paternalistically motivated forced savings constitutes an important, and to some the most important, rationale for social security retirement systems.” This paper revisits the role played by myopia in generating a theoretical rationale for pay-as-you-go (PAYG) social security in dynamically efficient economies. If the competing asset is linear storage and myopic agents are allowed to borrow against future pension benefits, there is no welfare-rationale for PAYG pensions. Sufficiently strong myopia may justify such pensions only if agents cannot borrow against their future pension, but then they are at a zero-saving corner. With enough myopia, co-existence of positive optimal pensions and positive private saving is possible if the return to saving declines with saving, as in a model with a neoclassical technology.  相似文献   
109.
This paper assesses Thaler and Sunstein’s claim that policies that nudge individuals towards healthy lifestyles promote the welfare of those individuals, as judged by themselves. I argue that Thaler and Sunstein switch between two different interpretations of that clause. One interpretation gives the clause a wide range of applicability, but drains it of its content as a repudiation of paternalism. The other interpretation makes it more meaningful to say that people want to make the choices they are being nudged towards, but applies to a much narrower range of cases than Thaler and Sunstein have in mind.  相似文献   
110.
A hedonic study of residential house sales in Rawlins, Wyoming, was conducted to estimate the impact of an environmental shock from a new point source upon adjacent residential property values. We use a unique data base of house sale prices and associated house attributes, including structural and neighbourhood characteristics and geographic distances and directions from the source of the shock, atmospheric emissions from a new crematory. Our data spans 27 months of house sales: 7 months before, and 20 months after the startup of crematory operations. Results indicate that proximity, measured both in terms of direction and distance from the crematory, imparts a statistically significant negative impact on average house sale prices–an increase of 0.3 to 3.6% of average sale price for every one-tenth mile increase up to one-half mile in distance away from the crematory, but depending on direction from the crematory. This distance benefit increases somewhat with calendar time only for houses located west of the crematory.  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