全文获取类型
收费全文 | 20974篇 |
免费 | 110篇 |
国内免费 | 21篇 |
专业分类
财政金融 | 3206篇 |
工业经济 | 1024篇 |
计划管理 | 3303篇 |
经济学 | 4679篇 |
综合类 | 941篇 |
运输经济 | 60篇 |
旅游经济 | 48篇 |
贸易经济 | 4955篇 |
农业经济 | 259篇 |
经济概况 | 2000篇 |
信息产业经济 | 50篇 |
邮电经济 | 580篇 |
出版年
2024年 | 5篇 |
2023年 | 29篇 |
2022年 | 75篇 |
2021年 | 134篇 |
2020年 | 111篇 |
2019年 | 78篇 |
2018年 | 2365篇 |
2017年 | 2163篇 |
2016年 | 1283篇 |
2015年 | 211篇 |
2014年 | 244篇 |
2013年 | 341篇 |
2012年 | 770篇 |
2011年 | 2346篇 |
2010年 | 2153篇 |
2009年 | 1821篇 |
2008年 | 1808篇 |
2007年 | 2173篇 |
2006年 | 364篇 |
2005年 | 696篇 |
2004年 | 533篇 |
2003年 | 630篇 |
2002年 | 340篇 |
2001年 | 136篇 |
2000年 | 80篇 |
1999年 | 24篇 |
1998年 | 33篇 |
1997年 | 24篇 |
1996年 | 32篇 |
1995年 | 12篇 |
1994年 | 4篇 |
1993年 | 8篇 |
1992年 | 4篇 |
1991年 | 4篇 |
1988年 | 4篇 |
1987年 | 3篇 |
1986年 | 17篇 |
1985年 | 5篇 |
1984年 | 5篇 |
1983年 | 7篇 |
1982年 | 4篇 |
1981年 | 3篇 |
1980年 | 2篇 |
1979年 | 7篇 |
1978年 | 2篇 |
1976年 | 2篇 |
1973年 | 2篇 |
1971年 | 4篇 |
1970年 | 1篇 |
1955年 | 1篇 |
排序方式: 共有10000条查询结果,搜索用时 370 毫秒
11.
We explore the innovation performance benefits of alliances for spin-off firms, in particular spin-offs either from other firms or from public research organizations. During the early years of the emerging combinatorial chemistry industry, the industry on which our empirical analysis focuses, spin-offs engaged in alliances with large and established partners, partners of similar type and size, and with public research organizations, often for different reasons. We seek to understand to what extent alliances of spin-offs with other firms (either large- or small- and medium-sized firms) affected their innovation performance and also how this performance may have been affected by their corporate or public research background. We find evidence that in general alliances of spin-offs with other firms, in particular alliances with large firms, increased their innovation performance. Corporate spin-offs that formed alliances with other firms outperformed public research spin-offs with such alliances. This suggests that, in terms of their innovation performance, corporate spin-offs that engaged in alliances with other firms seemed to have benefitted from their prior corporate background. Interestingly, it turns out that the negative impact of alliances on the innovation performance of public research spin-offs was largely affected by their alliances with small- and medium-sized firms. 相似文献
12.
Most development projects encounter a highly uncertain entitlement process that is largely uncontrollable by developers. In this study, entitlement is modeled as a separate stage within a compound real option, where developers begin with minimal control (maximum risk) and each successful stage increases control (decreases risk). We solve the model analytically, provide three‐dimensional numerical comparisons, and empirically test the model's predictions using hand collected rezoning petitions. Our main result refines the classic development option model: developers first invest early (secure entitlements) in order to obtain the option to subsequently delay investment (construct the optimal building at the optimal time). 相似文献
13.
Cheng Lai 《Contemporary Accounting Research》2020,37(4):2213-2223
Valuation ratios divide stock price by accounting metrics such as earnings, earnings growth, and book value. This study adapts the general valuation framework in Ohlson and Juettner-Nauroth (2005) and Ohlson (2005) to present a unified approach for developing valuation ratios based on fundamentals, referred to as fundamental valuation ratios. One starts with a valuation model that is driven by an accounting metric a and its abnormal growth, then divides the valuation model by a to get a fundamental valuation ratio. For any valuation ratio, one can find a corresponding fundamental valuation ratio, as long as the valuation model is based on the same metric a as the valuation ratio denominator. 相似文献
14.
15.
Zhiming Cheng Wei Guo Mathew Hayward Russell Smyth Haining Wang 《Journal of Business Venturing》2021,36(1):106063
Studies on the determinants of entrepreneurship emphasize that challenged adults tend to become entrepreneurs. However, research has not addressed the childhood origins surrounding the propensity for entrepreneurship. This article links childhood adversity to the propensity of individuals to become migrant entrepreneurs later in life. We test hypotheses derived from this theory in the context of whether, and when, children who survived the Great Chinese Famine of 1959–1961 became migrant entrepreneurs. Results strongly indicate that those who survived greater hardship during the Famine are more likely to become entrepreneurs, especially when they were younger during the famine years. We also find that being younger at the time of migration increased the likelihood of becoming entrepreneurs in their new locale. Overall, this study casts light on why, how and when childhood adversity shapes the propensity for entrepreneurship. 相似文献
16.
17.
18.
Studies that simultaneously explore the effects of sensory experience on consumer emotions and behavior are rare. This paper builds a model of buying behavior based on sensory experience, 570 valid questionnaires were obtained from coffeehouse customers. Using structural equation modeling and multiple regression analysis, this paper validates the concept model and verifies that sensory experience is a significant antecedent to buying behavior. This study indicates that certain sensory experiences significantly influence emotion. Emotion also plays a mediating role in the relationship between sensory experience and behavioral intentions. The findings are theoretically and practically profound as they address the relationships among sensory experience, consumer emotions, behavioral intentions, and buying behavior, as well as explore how the five senses affect emotions and buying behavior. This paper concludes by indicating managerial implications and research limitations. 相似文献
19.
Michal Kvasnička Rostislav Staněk Ondřej Krčál 《Journal of Industry, Competition and Trade》2018,18(1):47-58
This paper studies the effect of station density on prices in the retail gasoline market in the Czech Republic. We estimate the impact of the number of competing stations in various driving-distance ranges around each station on prices. We find that station density has a negative effect on prices; the effect decreases with distance and is statistically significant up to six kilometers. This suggests that the retail gasoline market is local rather than national. 相似文献
20.
The purpose of this study is to elaborate the structural relationships among the experiential quality dimensions, experiential trust, emotional attachment, experiential image, switching experience, experiential satisfaction, and experiential loyalty from the green perspective. The study findings are based on structural equation modeling (SEM) analysis of a convenience sample of 560 customers at one green restaurant in Taipei City, Taiwan. The findings show that investing resources in an increase in the experiential quality dimensions and a decrease in green switching experience is useful to enhance green experiential trust, green emotional attachment, green experiential image, green experiential satisfaction, and green experiential loyalty. 相似文献