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排序方式: 共有264条查询结果,搜索用时 15 毫秒
41.
Hans De Steur Ge Liqun Dominique Van Der Straeten Willy Lambert Xavier Gellynck 《食品市场学杂志》2013,19(3):231-243
Genetically modified rice with a high folate content, i.e., folate biofortified rice, was recently developed to tackle folate deficiency. A consumer segmentation study is conducted to explore its market potential in the Chinese Shanxi Province, where the burden of folate deficiency is among the world’s highest. Cluster analysis of 451 rice consumers identified three segments: enthusiasts (14.2%), cautious (41.2%), and opponents (44.6%). Enthusiasts obtain the highest score of GM food knowledge and attitudes and have the highest GM rice acceptance rate, followed by cautious and reluctant consumers. Regarding GM food information, enthusiasts use almost entirely audiovisual channels and rely more on the industry, while other segments depend more on informal channels and anti-GM sources. Trust levels in these channels/sources differ between enthusiasts (high), opponents (neutral), and cautious (low). Based on multinomial regression, a targeted communication approach is recommended with a focus on female, cautious consumers and rural, low-educated opponents. 相似文献
42.
Ana Rita Sampaio Rhodri Thomas Xavier Font 《International Journal of Tourism Research》2012,14(3):235-249
This paper examines the reasons for different levels of environmental engagement among small firms in tourism. Drawing on theories of motivation, notably Social Cognitive Theory, Motivation Systems Theory and Goal Orientation Theory, as well as the literature on environmental sensitivity, it proposes a novel conceptual framework that is subsequently used to inform an empirical study. The findings of the research suggest that varying levels of environmental engagement may be explained by differences in worldviews, self‐efficacy beliefs, context beliefs and goal orientation. The paper concludes by considering the policy implications of the results. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
43.
Does production risk suppress the demand for credit? We implemented a randomized field experiment to ask whether provision of insurance against a major source of production risk induces farmers to take out loans to adopt a new crop technology. The study sample was composed of roughly 800 maize and groundnut farmers in Malawi, where by far the dominant source of production risk is the level of rainfall. We randomly selected half of the farmers to be offered credit to purchase high-yielding hybrid maize and groundnut seeds for planting in the November 2006 crop season. The other half of farmers were offered a similar credit package, but were also required to purchase (at actuarially fair rates) a weather insurance policy that partially or fully forgave the loan in the event of poor rainfall. Surprisingly, take-up was lower by 13 percentage points among farmers offered insurance with the loan. Take-up was 33.0% for farmers who were offered the uninsured loan. There is suggestive evidence that reduced take-up of the insured loan was due to farmers already having implicit insurance from the limited liability clause in the loan contract: insured loan take-up was positively correlated with farmer education, income, and wealth, which may proxy for the individual's default costs. By contrast, take-up of the uninsured loan was uncorrelated with these farmer characteristics. 相似文献
44.
Competition in the Changing World of Banking 总被引:5,自引:0,他引:5
This paper reviews the role of competition in banking againstthe background of a transforming sector. It uses industrialorganization and modern financial intermediation analysis tostudy the relationships between the level of competition, risk-takingincentives, and the regulatory frame. The consequences for marketstructure of the liberalization process and the need for competitionpolicy in the sector are high-lighted. 相似文献
45.
Xavier Raurich-Puigdevall 《Journal of Economics》2000,71(3):255-280
This paper studies the patterns of growth in an endogenous-growth model where the labor supply is endogenous and sustained
growth arises because the services derived from public capital increase the economic productivity. It is assumed that these
services are congested by the number of households in the economy but they are not congested by the units of time that each
household devotes to work. With this assumption, the dynamic equilibrium exhibits multiple balanced-growth paths, local and
global indeterminacy, and limit cycles under some plausible fiscal policies. Our analysis points out that a large lump-sum
tax is a necessary condition to obtain this complex equilibrium dynamic behavior. 相似文献
46.
Measuring Aggregate Human Capital 总被引:2,自引:0,他引:2
Weconstruct a set of human capital indexes for the states of theUnited States for each census year starting in 1940. To do so,we propose a new methodology for the construction of index numbersin panel data sets. Our method is based on an optimal approachby which we choose the ``best' set of index numbers by minimizingthe expected estimation error subject to some research constraints.Some of the empirical findings are that the stock of human capitalin the United States grew twice as rapidly as the average yearsof schooling and that human capital inequality across stateswent up during the 1980s (while the dispersion of schooling actuallyfell). We conclude that using the average years of schoolingfor the empirical study of existing growth models may be misleading. 相似文献
47.
Francesc Xavier Molina-Morales Luis Martínez-Cháfer David Valiente-Bordanova 《Entrepreneurship & Regional Development》2019,31(1-2):62-81
ABSTRACTThis article explores to what extent the internal attributes of a clustered firm influence its capacity to adopt disruptive innovations. A multidimensional approach to the absorptive capacity (ACAP) model is used to distinguish between potential (acquisition and assimilation domains) and realized (transformation and exploitation domains) internal firm capabilities. Our evidence comes from an empirical analysis of the population of firms belonging to the Spanish ceramic tile cluster which have adopted a disruptive innovation – the so-called digital printing technology – on a massive scale. The econometric estimations suggest the relevance of the Exploitation dimension of ACAP for early adoption of a new technology. In contrast, the other dimensions do not seem to play a decisive role when it comes to adopting one novelty earlier than others. In conclusion, and contrary to what was expected for non-clustered firms, the results revealed an uneven effect of the potential and realized domains of ACAP of clustered firms regarding the rate of adoption of distant technologies. 相似文献
48.
49.
Inequality of post-tax income among pre-tax equals is evaluated andaggregated to form a global index of horizontal inequity in the income tax.The vertical action of the tax is captured by its inequality effect on averagebetween groups of pre-tax equals. Putting the two together, horizontalinequity measures loss of vertical performance. The identification problem,which has previously been thought insuperable, is addressed by a procedurevalidating the banding of income units into close equals groups. Thehorizontal and vertical effects of a major Spanish income tax reform areevaluated. Lines for future investigation are suggested. 相似文献
50.
This paper analyses the effects of money shocks on macroeconomic aggregates in a tractable flexible-price, incomplete-markets
environment that generates persistent wealth inequalities amongst agents. In this framework, current inflation redistribute
wealth from the cash-rich employed to the cash-poor unemployed and induce the former to increase their labour supply in order
to maintain their desired levels of consumption and precautionary savings. If the shocks are persistent, however, they also
raise inflation expectations and thus deter the employed from saving and supplying labour. We relate the strength of these
two inflation taxes to the underlying parameters of the model and study how they compete in determining the overall sign and
slope of the implied ‘output–inflation tradeoff’ relation. 相似文献