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   1714篇
  免费   69篇
财政金融   283篇
工业经济   119篇
计划管理   294篇
经济学   448篇
综合类   12篇
运输经济   26篇
旅游经济   43篇
贸易经济   340篇
农业经济   65篇
经济概况   152篇
邮电经济   1篇
  2023年   13篇
  2022年   10篇
  2021年   25篇
  2020年   35篇
  2019年   48篇
  2018年   60篇
  2017年   66篇
  2016年   52篇
  2015年   28篇
  2014年   51篇
  2013年   283篇
  2012年   62篇
  2011年   76篇
  2010年   62篇
  2009年   67篇
  2008年   69篇
  2007年   63篇
  2006年   44篇
  2005年   58篇
  2004年   43篇
  2003年   54篇
  2002年   36篇
  2001年   46篇
  2000年   32篇
  1999年   32篇
  1998年   39篇
  1997年   42篇
  1996年   24篇
  1995年   24篇
  1994年   17篇
  1993年   17篇
  1992年   12篇
  1991年   16篇
  1990年   13篇
  1989年   11篇
  1988年   5篇
  1987年   9篇
  1986年   14篇
  1985年   20篇
  1984年   17篇
  1983年   11篇
  1982年   9篇
  1981年   4篇
  1980年   14篇
  1979年   7篇
  1978年   8篇
  1976年   5篇
  1975年   4篇
  1937年   3篇
  1890年   3篇
排序方式: 共有1783条查询结果,搜索用时 78 毫秒
1.
2.
Service workers are expected to maintain high‐quality service delivery despite customer mistreatment—the poor‐quality treatment of service workers by customers—which can be demeaning and threatening to self‐esteem. Although service work is increasingly delivered by middle‐aged and older workers, very little is known about how employees across the age range navigate abuse from customers on the job. Does advancing age help or hinder service performance in reaction to customer mistreatment? Drawing on strength and vulnerability integration theory, we proposed that age paradoxically both helps and hinders performance after customer mistreatment, albeit at different stages. We tested our proposed model in a two‐sample field investigation of service workers and their supervisors using a time‐lagged, dyadic design. Results showed that age heightens the experience of self‐esteem threat but, nevertheless, dampens reactions to self‐esteem threat, leading to divergent effects on performance at different stages. Implications for age and service work, as well as aging and the sense of self, are discussed.  相似文献   
3.
Aims: To estimate the cost to hospitals of materials (i.e. medications, equipment, and supplies) required to administer common interventions for post-surgical analgesia after total knee arthroplasty (TKA), including single-injection peripheral nerve block (sPNB), continuous peripheral nerve block (cPNB), periarticular infiltration of multi-drug cocktails, continuous epidural analgesia, intravenous patient-controlled analgesia (IV PCA), and local infiltration of bupivacaine liposome injectable suspension (BLIS).

Materials and methods: This analysis was conducted using a mixed methods approach combining published literature, publicly available data sources, and administrative data, to first identify the materials required to administer these interventions, and then estimate the cost to the hospital of those materials. Medication costs were estimated primarily using the Wholesale Acquisition Costs (WAC), the cost of reusable equipment was obtained from published sources, and costs for disposable supplies were obtained from the US Government Services Administration (GSA) database. Where uncertainty existed about the technique used when administering these interventions, costs were calculated for multiple scenarios reflecting different assumptions.

Results: The total cost of materials (i.e. medications, equipment, and supplies) required to provide post-surgical analgesia was $41.88 for sPNB with bupivacaine; $756.57 for cFNB with ropivacaine; $16.38 for periarticular infiltration with bupivacaine, morphine, methylprednisolone, and cefuroxime; $453.84 for continuous epidural analgesia with fentanyl and ropivacaine; $178.94 for IV PCA with morphine; and $319.00 for BLIS.

Limitations: This analysis did not consider the cost of healthcare providers required to administer these interventions. In addition, this analysis focused on the cost of materials and, therefore, did not consider aspects of relative efficacy or safety, or how the choice of intervention for post-surgical analgesia might impact outcomes such as length of stay, re-admissions, discharge status, adverse events, or total hospitalization costs.

Conclusions: This study provided an estimate of the costs to hospitals for materials required to administer commonly used interventions for post-surgical analgesia after TKA.  相似文献   
4.
Abstract

Sponsorship programmes are increasingly being exposed to the threat of corruption in sport. Several recent notable cases of corruption have exposed sponsors and their investments to significant perceived pressures including negative consumer associations with athletes, teams and officials that have been found guilty of engaging in corrupt activity. How sponsors respond to such instances of corruption in sport forms the basis of this paper. Drawing from an analysis of corruption cases (n = 2089), the paper initially examines the nature of corruption in sport. Through interview data (n = 21), it subsequently identifies key factors that sponsors should take into consideration when deciding upon a course of action to mitigate any potential effects of corrupt activity by a sporting property they are associated with. Finally, the paper discusses those courses of action.  相似文献   
5.
Recent economic and organisational changes have fostered an increasing diversification of the workforce, among whom freelancers are an under‐represented population in the literature. This study aimed at examining the role of protean and boundaryless career, professional commitment, and employability activities in fostering freelancers' subjective career success. Data were collected via an online survey among a sample of 425 Italian freelancers and analysed through structural equation modelling. Results partially confirmed several hypotheses: higher self‐directed career management and boundaryless mindset predicted higher employability activities and professional commitment; moreover, employability and professional commitment acted as mediators between career attitudes and subjective career success. The study provides support for the importance of such variables to freelancers' career success, as well as for the significance of protean and boundaryless careers among nontraditional occupational groups. Interventions aimed at fostering such attitudes could support freelancers in improving their attainment of professional progress and perception of career success.  相似文献   
6.
Using a propensity score matched sample and a difference‐in‐differences research design, we find that stock price crash risk increases after a firm voluntarily incorporates clawback provisions in executive officers' compensation contracts. This heightened crash risk is concentrated in adopters that increase upward real activities‐based earnings management and those that reduce the readability of 10‐K reports. Based on cross‐sectional analyses, we also find that the increased crash risk is more pronounced for adopters with high ex ante fraud risk, low‐ability managers, high CEO equity incentives, and low dedicated institutional ownership. Collectively, our results suggest that the clawback adoption per se does not curb managerial opportunism but rather induces managers to use alternative channels for concealing bad news, which may contribute to a greater stock price crash risk; and the increase in crash risk is more likely in cases where incentives are strong or monitoring is weak. Our results should be of interest to regulators and policymakers considering the effects of clawback adoption on the investing public.  相似文献   
7.
Distance functions are increasingly being augmented, with environmental goods treated as conventional outputs. A common approach to evaluate the opportunity cost of providing an environmental good is the exploitation of the distance function's dual relationship to the value function. This implies that the opportunity cost is assumed to be non‐negative. This approach also requires a convex technology set. Focusing on crop diversification for a balanced sample of 44 cereal farms in the East of England for the years 2007–2013, this paper develops a novel opportunity cost measure that does not depend on these strong assumptions. We find that the opportunity cost of crop diversification is negative for most farms.  相似文献   
8.
Simon Dalby 《Geopolitics》2018,23(3):718-742
ABSTRACT

The human control of fire is a relatively neglected part of the discussion of the contemporary transformation of the planet. Thinking about it in terms of geopolitics is a way to link climate adaptation, extinction and the possibilities of extending traditional analyses of political ecology to the global scale. Such thinking is explicitly rejected as the appropriate premises for foreign policy action by the Trump administration which poses American greatness in terms of traditional understandings of firepower. This clash of geopolitical cultures is now key to global politics, where dramatic landscape transformation, related species extinctions as well as climate change results directly and indirectly from human control of combustion. Firepower is a matter of military technology as well as, in the form of fossil fuel combustion, the essential energy source that fuels the global economy. Focusing on combustion as a key geophysical force in contemporary geopolitics offers useful insights into the Anthropocene discussion and, in particular, the two planetary boundaries of climate change and biodiversity loss, which are key to contemporary efforts at global environmental governance.  相似文献   
9.
The growing body of literature on “accessible tourism” lacks a critical scholarly debate around its specific language use and nomenclatures. To fill this gap, this paper provides a first examination of language. Language provides a unique capability to resist, strengthen and reframe identities of individuals and groups, yet can also reinforce, weaken and perpetuate dominant worldviews of disability. A content analysis examined previous accessible tourism literature with results illustrating that diversity exists amongst the varying terminologies adopted by scholars. Terms were employed loosely, inconsistently and interchangeably, euphemistically with erroneous understandings and nuances. The paper concludes with critical discussion about the power of researchers to (re) produce oppression through language that maligns and misrepresents, or to (re) conceptualise and (re) construct the world we live in with liberating language that facilitates positive social change.  相似文献   
10.
Hayek’s business cycle theory portrays monetary expansion and monetary contraction with counterintuitive asymmetry. On the one hand, it suggests that they both change relative prices and cause costly reallocations of production factors. At the same time, the theory predicts that while a monetary contraction causes the economic crisis, the monetary expansion comes with the boom. I argue that what I call intertemporal capital substitution in industries close to final consumption explains why there is a boom in spite of the costly reallocations. More specifically, monetary expansion only gradually increases the demand for nonspecific factors of production by industries that are temporally remote from final consumption. Responding to the expected higher cost of nonspecific factors, consumer-goods industries temporarily increase output and depreciate specific durable production factors faster than they planned.  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