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   22078篇
  免费   125篇
  国内免费   1篇
财政金融   3830篇
工业经济   1219篇
计划管理   3475篇
经济学   4864篇
综合类   551篇
运输经济   47篇
旅游经济   85篇
贸易经济   5406篇
农业经济   304篇
经济概况   1805篇
信息产业经济   44篇
邮电经济   574篇
  2021年   29篇
  2020年   69篇
  2019年   89篇
  2018年   2374篇
  2017年   2131篇
  2016年   1304篇
  2015年   156篇
  2014年   195篇
  2013年   700篇
  2012年   592篇
  2011年   2099篇
  2010年   1956篇
  2009年   1681篇
  2008年   1670篇
  2007年   2007篇
  2006年   230篇
  2005年   517篇
  2004年   589篇
  2003年   689篇
  2002年   419篇
  2001年   194篇
  2000年   165篇
  1999年   135篇
  1998年   122篇
  1997年   106篇
  1996年   113篇
  1995年   96篇
  1994年   81篇
  1993年   86篇
  1992年   79篇
  1991年   69篇
  1990年   69篇
  1989年   66篇
  1988年   67篇
  1987年   63篇
  1986年   88篇
  1985年   98篇
  1984年   91篇
  1983年   89篇
  1982年   74篇
  1981年   77篇
  1980年   79篇
  1979年   60篇
  1978年   72篇
  1977年   83篇
  1976年   45篇
  1975年   48篇
  1974年   55篇
  1973年   38篇
  1972年   30篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
81.
We extend the research on postinjury employment by estimating productivity losses for workers with permanent partial disabilities (PPDs) in the first three years after injury. Our method distinguishes between productivity losses attributed to spells of work absence versus reduced earnings during spells of employment. The method is applied to data for 800 Ontario workers with PPDs. The results document large productivity losses persisting at least three years after injury, with different loss patterns for workers returning to stable versus unstable employment. Human capital investments or job accommodations can reduce productivity losses, but the significant determinants of losses differ for the stable versus unstable employment groups.  相似文献   
82.
UK high street banks are continuing to extend the choice of channel through which customers can manage their moneycolon; an obvious example is e-banking. They have been keen to exploit technological advances and changing customer attitudes to alternative channels. Additionally, competition from leaner new market entrants has provided an added incentive to adopt new approaches. In the light of such developments, it is worth reflecting on the changing nature of the bank–customer relationship. This paper suggests that banks are finding it difficult to manage relationships effectively due, in large measure, to the sheer volume of customer data generated by new interactive, technology-based channels. Paradoxically, it seems that the more data banks have about customers the less likely they are to know them on a personal level. It is further suggested that channels such as e-banking potentially reduce the level of personal contact between bank and customer to the extent that a ‘virtual’ relationship develops. This paper concludes that, given the tendency towards ‘virtualisation’, it is inconceivable that bank–customer relationships will become any more intimate in the future. Indeed, a greater degree of personalisation in customer communication may be the very best that banks are able to offer.  相似文献   
83.
84.
85.
86.
A method of combining survey data and Dairy Herd Improvement Association (DHIA) records to achieve low cost farm trials is presented. Farm trials and surveys of current practices and production responses are useful to identify yield gaps between expectations predicted from experimental findings and actual field results. Different management schemes can be ranked using subjective probabilities and stochastic dominance to enhance successful implementation of research findings and to increase the feedback between researchers, extension workers, and producers. A survey of current masitis control practices and expected milk yield response is the example. Combining survey results with DHIA records allowed estimating the relationship between somatic cell counts (SCC) and milk yield. Eliciting beliefs about the relationship between SCC and milk yield showed that producers agreed with predictions from the statistical model. Subjective probabilities about SCC and mastitis control practices showed that our sample of experts and producers consistently ranked the different practices but extension agents had no consensus about the the most or least effective ones.  相似文献   
87.
88.
It has long been argued that the Japanese production organization is culture-bound and therefore not transferable to other countries. This article examines seven major Japanese automobile assembly plants and over 270 Japanese automotive parts suppliers in the US. The successful transfer of Japanese work and production organization in these ‘transplants’ suggests that Japanese production practices are organizational forms which can be uncoupled from Japanese culture and transferred to other countries.  相似文献   
89.
90.
The paper considers how people should plan their saving, given certain assumptions about inheritance and changes in household circumstances. The results are produced by a model that takes into account tax and state benefits as well as various private savings vehicles. It concludes that, for many households, saving for retirement through a ‘pension’ might not be optimum and that the best strategy is to vary the incidence and allocation of saving in response to changes in household circumstances.  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