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   355篇
  免费   27篇
财政金融   51篇
工业经济   16篇
计划管理   54篇
经济学   98篇
综合类   4篇
运输经济   12篇
旅游经济   13篇
贸易经济   106篇
农业经济   6篇
经济概况   17篇
邮电经济   5篇
  2023年   5篇
  2022年   2篇
  2021年   6篇
  2020年   19篇
  2019年   19篇
  2018年   24篇
  2017年   30篇
  2016年   27篇
  2015年   6篇
  2014年   19篇
  2013年   70篇
  2012年   11篇
  2011年   19篇
  2010年   15篇
  2009年   16篇
  2008年   11篇
  2007年   11篇
  2006年   10篇
  2005年   9篇
  2004年   4篇
  2003年   2篇
  2002年   9篇
  2001年   7篇
  2000年   5篇
  1999年   3篇
  1998年   2篇
  1997年   2篇
  1995年   2篇
  1987年   1篇
  1985年   3篇
  1984年   2篇
  1983年   2篇
  1982年   3篇
  1981年   2篇
  1980年   1篇
  1979年   1篇
  1976年   1篇
  1944年   1篇
排序方式: 共有382条查询结果,搜索用时 15 毫秒
21.
Although there is growing interest in themed brandstores, we still know very little about the source of these retail environments’ power to affect consumers profoundly. Utilizing an ethnographic study of American Girl Place, a culturally rich and highly successful retail environment, we find that effective retailing in these contexts is an intensely ideological affair. In our participant-observation of, and on-site interviews with, consumers at American Girl Place we find that the ideology of the brand manifests powerfully through a variety of different and distinct areas within the store: the Museum, the Library, the Café, the Salon, the Theater, and the Photo Studio. Ideological expression is central to each of these places. Tracking the influence of brand ideology through consumers’ retail experiences, we theorize about the centrality of retail place in ideological branding. Although the confluence of ideology and retailing has been referenced in prior research, this paper focuses on and systematically develops the theoretical interconnection between the two. The physical immediacy of themed brandstore experience acts as a quilting point that links together related cultural concepts into a strong retail brand ideology. The implications of this theory draw our attention to ideological and morally-bound retail brand expressions, emphasize the importance of a variety of retail formats within a single store, and provide practical guidelines for retailers eager to build successful brands of their own.  相似文献   
22.
Selena Totić 《Applied economics》2016,48(19):1785-1798
This article examines the left-tail behaviour of returns on stocks in Southeastern Europe (SEE). We apply conditional extreme value theory (EVT) approach on daily returns of six stock market indices from SEE between 2004 and 2013. Predictive performance of value-at-risk (VaR) and expected shortfall (ES) based on EVT is compared against several alternatives, such as historical simulation and analytical approach based on GARCH with a single conditional distribution. Model backtesting with daily returns shows that EVT-based models provide more reliable VaR and ES forecasts than the alternative models in all six markets. Unlike the alternatives, the EVT-based models cannot be rejected as VaR confidence level is increased. This emphasizes the importance of extreme events in SEE markets and indicates that the ability of a model to capture volatility clustering accurately is not sufficient for a correct assessment of risk in these markets.  相似文献   
23.
24.
25.
During the past two decades, e-government information systems have become less paper-based and more computer-based. Those information systems usually take the form of workflow systems. Due to the large social impact of e-government systems, computer security plays a pivotal role in ensuring its efficiency and effectiveness. Access control is one of the key aspects of computer security. Current access control models do not take into account the context of the system and its environment. In this article, we argue that a formal context-sensitive access control model can improve the development of e-government workflow systems and present a particular context-sensitive access control model. The subject of the article is a specification of the context-sensitive access control model for business processes (COBAC). By using a context-sensitive access control, it is possible to define more sophisticated access control policies that cannot be implemented by existing access control models. The COBAC's context is modeled using Web Ontology Language (OWL) in order to provide formal representation of context, rich representation of diverse contextual information, semantic interoperability between various context-aware systems, and a high degree of inference making. The presented model is applicable in different e-government systems, and supports the definition of access control policies for both simple and complex business processes. The model's prototype is verified by a case study on a real e-government business process—the national petty offense trial proceedings.  相似文献   
26.
Abstract This paper examines how attractive investment opportunities available to temporary migrants at home affect their saving behaviour and the optimal duration of stay abroad. The model predicts an inverse U‐shaped relationship between migration duration and the expected rate of return on repatriated savings. A higher rate provides an incentive to go back earlier and consume less abroad, while it can also trigger emigration aimed at generating the savings required for investment after return. The paper illustrates how the behaviour of temporary migrants reflects the interaction between their preferences and the opportunities available in labour and capital markets of both countries.  相似文献   
27.
Faced with doubts about the quality of information and the quality of modeling techniques, ambiguity-averse agents assign higher probabilities to lower utility states, leading to higher CDS premia and lower equity prices. Using data on financial institutions, I find that the sudden increases in credit spreads during the recent crisis can be explained by changes in the amount of ambiguity faced by market participants and changes in how the total amount of ambiguity was distributed between ambiguity about information quality and ambiguity about model quality.  相似文献   
28.
This study presents an integrative model on the franchisor's choice of knowledge transfer strategy by deriving hypotheses from the knowledge-based theory and the relational governance view. First, based on the knowledge-based view, tacitness of system-specific knowledge influences the choice of the knowledge transfer strategy of the franchisor. The higher the degree of tacitness of knowledge, the more knowledge-transfer mechanisms with a high degree of information richness (HIR) are used, such as training, seminars, visits and formal meetings, and the more likely the franchisor chooses a personalization strategy (P-S). Conversely, the lower the degree of tacitness of system-specific knowledge, the more knowledge transfer mechanisms with a low degree of information richness (LIR) are used, such as reports, emails, intranet, databases, and the more likely the franchisor chooses a codification strategy. Second, based on the relational view of governance, trust influences the choice of knowledge transfer strategy of the franchisor. If trust reduces relational risk, more trust reduces the franchisor's use of HIR-knowledge transfer mechanisms and increases the franchisor's use of LIR-knowledge transfer mechanisms. If trust increases knowledge-sharing between the network partners, it increases the franchisor's use of both HIR- and LIR-knowledge-transfer mechanisms. The hypotheses are tested by using data on the use of the P-S in the Austrian franchise sector. The data provide some support for the hypotheses. A new model on the franchisor's choice of knowledge transfer strategy, using knowledge-based theory and relational view of governance is developed, and specifically, the knowledge-based view of Windsperger and Gorovaia [(2011). Knowledge attributes and the choice of knowledge-transfer mechanisms in networks: The case of franchising. Journal of Management and Governance, 15(4), 617–640] is extended by considering trust as additional explanatory variable of the knowledge-transfer strategy.  相似文献   
29.
Abstract

Mastitis infections cause severe pain in dairy cows and are the most costly illness to farmers. This study combined differentiation and consolidation (Diff-Con) theory with risk-benefit analysis to explore how risky decisions are perceived and justified after a decision has been taken. More specifically, using survey data from 428 Swedish dairy farmers, their decisions about adopting preventive measures to control mastitis (mastitis control options, MCO) in dairy herds were examined. The analyses included group comparisons with non-parametric rank tests and use of both ordinary least squared regression and seemingly unrelated regression analysis to examine how prior adoption of MCO affects farmers’ attitudes to the MCO. The results showed that MCOs already adopted were rated higher in perceived riskiness (if not implemented) and in expected benefit (for illness prevention) than non-adopted MCOs. Having made the decision to implement a strategy increased the likelihood of that decision being perceived as more beneficial (reducing mastitis) and risky (in terms of disease increase if not implemented), irrespective of the combination of strategies used on the farm, during the post-consolidation stage. No difference in perceived illness prevalence could explain the farmers’ rating of the MCOs. These findings suggest that there may be a path dependency in farmers’ decision-making with respect to MCO. This implies that novel MCOs may have difficulty in achieving wider implementation. These results have implications for the development of strategies to communicate best practices for use of MCOs and for new research on MCOs and farmers’ decision-making.  相似文献   
30.
The paper considers the development of small and medium enterprises (SME) in two transition economies where market reforms have been slow (Ukraine and Belarus), focusing specifically on the role of government in the process. Empirical data from a study on SMEs and economic development in Ukraine, Belarus and Moldova are used to consider the contribution of SMEs to different aspects of transformation whilst data from a second project are used to show the support needs of SMEs.Following the introduction, which summarises the aims and methodology, the second section presents brief profiles of the context for SME development in each country. Part 3 summarises some of the main empirical findings, focusing on those aspects that have potential policy significance, specifically with respect to employment, innovation, and market orientation, whilst the fourth section considers survey evidence of the support needs of SMEs. The final section draws out the main policy implications of the findings, whilst also setting out an agenda designed to increase the contribution of SMEs to economic development in the future.On the whole, the empirical results demonstrate that some SMEs have developed in Belarus and Ukraine despite the actions of governments, although the number of private enterprises per capita remains small and their qualitative characteristics often reflect the difficult operating conditions. As a result, their contribution to economic and social change is less than it could be, mainly due to an unstable environment and an institutional context that has yet to establish the framework conditions for sustainable private sector development. In terms of policy priorities, the survey data suggest that reform of the distorted legal and financial infrastructures that exist in these countries is the highest priority need.  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