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61.
Carlos Hervés-Beloso Emma Moreno-García Carmelo Núñez-Sanz 《Decisions in Economics and Finance》2003,26(1):19-38
We consider an atomless economy in which the continuum of agents is represented by a real interval. By dividing the interval
and associating to every agent in each subinterval the same initial endowments and preferences, we define sequences of discrete
economies as approximations to the initial continuum economy. We obtain convergence results for the core (or, alternatively,
for the set of Walrasian allocations) of the continuum economy in terms of the cores of the approximating discrete economies.
Finally, we state some counterexamples which provide a boundary for more general results in this framework.
Received: 29 December 2000 / Accepted: 28 April 2002
C. Hervés and E. Moreno acknowledge support by Research Grant BEC2000-1388-C04-01 from the Dirección General de Investigación
Científica y Técnica (DGICYT), Spanish Ministry of Education.?E. Moreno acknowledges support from the Spanish Ministry of
Education through a post-doctoral fellowship in 1997 and from a Training and Mobility of Researchers (E.C.) fellowship in
1998 while visiting Universidade Nova de Lisboa. 相似文献
62.
This study investigates Western Australia’s consumer attitudes toward and preferences for locally produced food products signified by a state-funded campaign logo, Buy West Eat Best (BWEB). A choice experiment using both a fresh and a processed food product (skinless chicken breast and fruit yogurt) is conducted to assess willingness to pay for a local production attribute and other label claims. We find that consumer awareness and preference for local foods is high. However, this high preference is not because the product is locally produced but because of the local attributes associated with high-quality products. The study highlights the importance of successfully differentiating products through credible labeling schemes in order to capture market premium. 相似文献
63.
Emma Jane Dillon Thia Hennessy Cathal Buckley Trevor Donnellan Kevin Hanrahan Brian Moran 《国际农业可持续发展杂志》2016,14(1):31-44
The concept of sustainability is one of the forefront issues in discussions of the challenges facing global agriculture, given the mounting pressure to increase food production in both socially responsible and environmentally friendly ways. From the perspective of Irish agriculture, sustainable intensification is of particular relevance, given ambitious targets to increase milk production in the context of European Union (EU) milk quota removal in 2015. A series of farm-level sustainability indicators are developed here using the Teagasc National Farm Survey FADN (Farm Accountancy Data Network) data for Ireland from 2012. Three dimensions, reflecting the multifaceted nature of sustainability (environmental, economic and social) are considered. Given the environmental challenges inherent in the sustainable intensification of agriculture, it is encouraging to observe that the more intensive, top performing farms (in an economic sense) emit relatively less greenhouse gases when compared to their less intensive counterparts. Conversely, the better performing farms in economic terms tend to have a higher nitrogen surplus per hectare on average. This is consistent with their higher rates of production intensity, but poses a challenge in terms of sustainable intensification and expansion. That said this analysis demonstrates that the nitrogen use efficiency of milk production is positively correlated with economic performance, with more intensive farms producing relatively more milk per kilogram of nitrogen surplus. From the perspective of social sustainability, demographic traits also tend to be positively correlated with economic performance. Given a growing recognition of the need for interconnected policy in the area of sustainability, this research should help inform policy debates and provides a guide for the undertaking of similar assessments elsewhere. 相似文献
64.
Research indicates that different macro‐socialisation results in systematic differences in generational characteristics, which may in turn result in different generational workplace preferences for management control systems (MCS). An exploratory study was undertaken of three generations (Baby Boomers, Generation X and Generation Y) and their MCS preferences in a large Australian professional services firm. The results found that each generation exhibited different characteristics and these differences are linked to specific generational MCS preferences for goal setting, performance evaluation, administrative controls and incentives. These findings have implications for MCS design that attracts, motivates and retains employees, improves organisational performance, and manages intergenerational conflict. 相似文献
65.
66.
Emma Gaalaas Mullaney 《Geopolitics》2014,19(2):406-430
This paper draws from research on small-scale maize production in Mexico’s Central Highland region to discuss the geopolitical implications of everyday agricultural practices. An overwhelming majority of maize farmers in this region, as well as in the country more broadly, continue to cultivate locally adapted maize varieties they have bred themselves – criollo maize is the vernacular term – despite decades of concerted government attempts to effect the widespread adoption of commercially bred and licensed hybrid varieties. This state effort to restructure agricultural systems and food security according to nationalist and capitalist priorities is one tactic in a long and violent struggle for control over peasant land and labour in Mexico. By integrating feminist scholarship in geopolitics and in political ecology, I am following the lead of geographers who regard the materialities of everyday life as a foundation for political tensions and conflicts that are constantly unfolding along intersecting lines of difference. Though geopolitics has rarely turned its attention directly to theories of intimate socio-ecological relations, I argue that the field has much analytical and political leverage to gain by engaging with political ecology, and that feminist geographic imaginaries provide a crucial space in which to do so. This approach allows for an analysis of how a dominant geopolitics of land and agriculture is being undermined through the routine production of criollo maize, revealing new potential for creating broad political alliances with social movements that are currently working toward alternative visions of agriculture and food security. 相似文献
67.
Recent studies find that women are less competitive than men. This gender difference in competitiveness has been suggested
as one possible explanation for why men occupy the majority of top positions in many sectors. In this study we explore competitiveness
in children, with the premise that both context and gendered stereotypes regarding the task at hand may influence competitive
behavior. A related field experiment on Israeli children shows that only boys react to competition by running faster when
competing in a race. We here test if there is a gender gap in running among 7–10 year old Swedish children. We also introduce
two female sports, skipping rope and dancing, to see if competitiveness is task dependent. We find no gender difference in
reaction to competition in any task; boys and girls compete equally. Studies in different environments with different types
of tasks are thus important in order to make generalizable claims about gender differences in competitiveness. 相似文献
68.
Do financial analysts convey intellectual capital information in their recommendations? This study of a sample of analyst reports on large, listed Spanish companies provides some evidence on the question. Analysts usually report information regarding a company's strategy, customers, and processes; they less often provide information about research, development, and innovation. When controlling for endogeneity, we find that certain firm characteristics appear to influence the use of intellectual capital information. Analysts use this information in the case of highly profitable companies. The results also show a significant effect of growth opportunities on intellectual capital disclosure by financial analysts. 相似文献
69.
In this paper, we analyze the indeterminacy of equilibria in financial markets and propose a selection mechanism. We suggest that there is one equilibrium that prevails over the others, as a result of the market power of the agents that some states of nature become monopolists of certain commodities. Given a financial assets model, we define a price game and show the existence of mixed strategies equilibria. Then we purify these equilibria by considering a price game with incomplete information. 相似文献
70.