全文获取类型
收费全文 | 81194篇 |
免费 | 2710篇 |
国内免费 | 1462篇 |
专业分类
财政金融 | 6244篇 |
工业经济 | 3150篇 |
计划管理 | 17172篇 |
经济学 | 14046篇 |
综合类 | 15773篇 |
运输经济 | 514篇 |
旅游经济 | 1257篇 |
贸易经济 | 10364篇 |
农业经济 | 5596篇 |
经济概况 | 11248篇 |
信息产业经济 | 2篇 |
出版年
2024年 | 160篇 |
2023年 | 808篇 |
2022年 | 1049篇 |
2021年 | 1500篇 |
2020年 | 1912篇 |
2019年 | 1341篇 |
2018年 | 1269篇 |
2017年 | 1369篇 |
2016年 | 1484篇 |
2015年 | 2020篇 |
2014年 | 4960篇 |
2013年 | 5568篇 |
2012年 | 6701篇 |
2011年 | 8449篇 |
2010年 | 6407篇 |
2009年 | 5656篇 |
2008年 | 6358篇 |
2007年 | 5957篇 |
2006年 | 5934篇 |
2005年 | 4290篇 |
2004年 | 3016篇 |
2003年 | 2509篇 |
2002年 | 1622篇 |
2001年 | 1444篇 |
2000年 | 979篇 |
1999年 | 454篇 |
1998年 | 238篇 |
1997年 | 255篇 |
1996年 | 198篇 |
1995年 | 116篇 |
1994年 | 104篇 |
1993年 | 94篇 |
1992年 | 64篇 |
1991年 | 53篇 |
1990年 | 42篇 |
1989年 | 34篇 |
1988年 | 23篇 |
1987年 | 14篇 |
1986年 | 15篇 |
1985年 | 198篇 |
1984年 | 204篇 |
1983年 | 143篇 |
1982年 | 107篇 |
1981年 | 62篇 |
1980年 | 75篇 |
1979年 | 47篇 |
1978年 | 38篇 |
1977年 | 23篇 |
1975年 | 1篇 |
1973年 | 1篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
61.
Packaging design as a medium for brand communication has a strong impact on the point-of-purchase decision. Therefore, marketers need a keen understanding of how packaging design influences brand perception. Although many studies have investigated the impact of design elements like color or typeface, few have examined the impact of holistic variables like the degree of elaborateness. This study proposes to fill this gap by investigating the influence of the degree of simplicity/complexity in package design on brand perception. The topic is first investigated through a multidisciplinary approach mobilizing the fields of semiotics, art history and marketing. Then, we conduct an experiment in which three bottles of Champagne operationalizing three levels of simplicity/complexity are tested with a sample of 305 consumers. The results indicate that the simplicity/complexity of a package design has a significant impact on brand perception, with simplicity being associated with modernity, reliability, authenticity, success and sobriety and complexity with seniority, joy, imagination, charm, femininity and sophistication. 相似文献
62.
Daniel Hernndez‐Hernndez Harold A. Moreno‐Franco Jos‐Luis Prez 《Mathematical Finance》2019,29(4):1039-1065
We study the optimal execution problem with multiplicative price impact in algorithmic trading, when an agent holds an initial position of shares of a financial asset. The interselling decision times are modeled by the arrival times of a Poisson process. The criterion to be optimized consists in maximizing the expected net present value of the gains of the agent, and it is proved that an optimal strategy has a barrier form, depending only on the number of shares left and the level of the asset price. 相似文献
63.
Yongseok Jang Brandy Hadley Joon Son Chanho Song 《Journal of Education for Business》2019,94(6):359-368
Despite the heightened popularity of entrepreneurship education, there remain open questions regarding best practices in co-curricular programs. Using the theory of planned behavior, the authors examine how students’ intention is shaped to increase the likelihood of participation in entrepreneurship co-curricular programs. To the best of the authors’ knowledge, this study is the first to examine the relation between entrepreneurial identity and entrepreneurial intention theory. They find the popular personality trait, openness, is related to ambition, which reveals the interaction between personal elements (personality/identity) and contextual elements (aspirations to success/intention), a novel finding in the literature. This further illustrates the interconnectedness between the theory of planned behavior and the entrepreneurial event model 相似文献
64.
Feng Guo 《Review of Financial Economics》2019,37(2):297-321
Following the approach of interpolation, this paper proposes the multiple exponential decay model to fit yield curves for both the U.S. TIPS market and the conventional Treasury security market. Several estimation methods, including the unconstrained/constrained nonlinear minimization, quadratic programming, and the iterative linear least squares, are applied to estimate the unknown parameters according to different curve‐fitting purposes. Comparisons between the proposed model and the alternatives show that the multiple exponential decay successfully (1) adapts to a variety of shapes associated with yield curves, (2) (partially) keeps in line with the economic interpretations of Nelson–Siegel summarized by Diebold and Li ( 2006 ), and (3) dominates the competing models in curve‐fitting performance measured by mean fitted‐price errors over the sample period. In addition, the exact specification of a nonparametric interpolation model is pinned down by applying three statistical tools, which enable us to jointly take into account validity, optimality, and parsimoniousness of the proposed model. 相似文献
65.
The advertising and marketing literature have established that celebrity endorsements constitute an effective way to enhance attitudes toward brands and increase purchase intents. However, there are no relevant studies on digital influencers. This study addresses the research gap by examining the effect of digital influencers' attractiveness and the effect of the congruence between a digital influencer and a brand on consumer attitudes and purchase intentions. By applying structural equation modeling to a sample of 307 followers of digital influencers, a model was tested and group analysis was performed for two categories (“entertainment & video games” and “fashion & beauty”). The results show that both brand attitudes and purchase intentions are influenced by the digital influencer's attractiveness (which includes both likeability and familiarity) and by the congruence between the digital influencer and the brand. This study makes several contributions to both theory and practice, which are highlighted in this paper. 相似文献
66.
67.
This article uses a multi-country global general equilibrium (GE) model to numerically simulate the effects of possible China–US trade wars. We introduce an endogenous trade imbalance structure with trade cost into the model which helps to explore both tariff and non-tariff trade war effects. Our simulation results show that China will be significantly hurt by the China–US trade war, but negative impacts are affordable. The US can gain under unilateral sanction measures to China, but will lose if China takes retaliation measures. Comparing the effects under mutual trade war, China will lose more than the US. Introducing non-tariff barrier trade wars will intensify the negative effects, and comparatively negative effects to China are larger than to the US. Mexico’s involvement in trade war with the US will strengthen the negative effects and comparatively hurt the US more. Under non-cooperative and cooperative Nash bargaining equilibrium, the US can gain more than China in trade war negotiation, which means the US has stronger bargaining power than China. Additionally, trade wars between China and the US will hurt most countries and the world especially in GDP and manufacturing employment, but benefit their welfare and trade. 相似文献
68.
隔代抚育会对延迟退休年龄政策在促进劳动力供给上产生挤出效应。为了对此进行验证,本文在工资收入随机性的假定及延迟退休5年的情景下,模拟了面临孙辈照护需求的女性临近退休者提前退休所产生的福利变化。进一步,本文采用CHIP和CHARLS的微观调查数据,对不同群组的收入增长率和收入风险进行了估计,继而分析了当面临孙辈照护需求时这些收入特征对退休决策者制度退休和退休后劳动参与抉择产生的影响。总体上,在延迟退休年龄政策下,隔代抚育将对女性劳动力供给产生挤出效应。当面临孙辈照护需求时,女性临近退休者的制度退休抉择主要受自身收入增长率和收入风险的影响,收入增长率越低,或收入风险越高,她们提前退休的意愿就越强烈;制度退休后的劳动参与则更多地受子女收入增长率的影响,子女收入增长率越高,劳动参与的概率越低。 相似文献
69.
《Business Horizons》2019,62(5):603-613
This study integrates insights from Self-Determination Theory and Boundary Theory to present scenarios on how flexible workplace designs can trigger multiple motivational processes underlying gendered work/nonwork integration behaviors, and how these affect work/life conflict. We disentangle processes underlying work engagement and work/life conflict, explaining the paradoxical outcomes found with regard to gender inequality in terms of work/life performance, satisfaction, and health. Policy makers and organizations need an increased understanding and a reconceptualization of these issues, realizing that the ideal worker does not exist. Instead, a long-term perspective is needed in order to truly realize the potential benefits of flexible workplace designs for all stakeholders. Organizations need to take responsibility for preventing individual workers’ depletion and stimulating the regeneration of workers’ resources. 相似文献
70.
HUBERTO M. ENNIS 《Journal of Money, Credit and Banking》2019,51(7):1737-1764
I study the implications for central bank discount window stigma of a workhorse model of adverse selection in financial markets. In the model, firms (banks) need to borrow to finance a productive project. There is limited liability and firms have private information about their ability to repay their debts, which gives rise to the possibility of adverse selection. The central bank can ameliorate the impact of adverse selection by lending to firms. Discount window borrowing is observable and it may be taken as a signal of firms' credit worthiness. Under some conditions, firms borrowing from the discount window may pay higher interest rates to borrow in the market, a phenomenon often associated with the presence of stigma. I discuss these and other outcomes in detail and what they suggest about the relevance of stigma as an empirical phenomenon. 相似文献