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161.
A firm may be different from other firms either in terms of the mix or scale of its input-output vector. This paper develops separate mix and scale measures of dissimilarity, and shows that these can be additively aggregated into a measure of absolute dissimilarity. The mix measure is particularly relevant in the context of frontier analysis since it will identify the firms that exert the most influence on the resulting efficiency scores. 相似文献
162.
Adoption of soil conservation practices in Belgium: An examination of the theory of planned behaviour in the agri-environmental domain 总被引:2,自引:0,他引:2
Erwin Wauters Charles Bielders Jean Poesen Gerard Govers Erik Mathijs 《Land use policy》2010,27(1):86
Soil erosion is a problem with serious on-site and off-site consequences. There exists a broad series of measures to mitigate soil erosion, unfortunately policy makers observe little voluntary adoption. This paper reports on a study to elicit the factors explaining adoption of soil erosion control practices in Belgium. Following a socio-psychological approach, the theory of planned behaviour (TPB), adoption of cover crops, reduced tillage and buffer strips is evaluated using linear regression techniques. Results show that the most explaining factor is attitude towards the soil conservation practice. The TPB adapted to include perceived control and difficulty appears to provide a suitable framework for evaluating adoption of erosion control measures in Belgium. Future interventions directed at promoting erosion control measures should be directed at changing the attitude of farmers. Further study is, however, required in order to elucidate the cognitive foundations of the negative attitude of a majority of farmers towards the implementation of erosion control practices. 相似文献
163.
Richard D. Horan James S. Shortle Erwin H. Bulte 《Environmental and Resource Economics》1999,14(2):191-215
The standard assumption in bioeconomic resource models is that optimal policies maximize the present value of economic surplus to society. This assumption implies that regulatory agencies should not be concerned with the distributional consequences of management strategies. Both contemporary welfare-theoretic and rent-seeking approaches suggests distributional issues are important in designing resource management policies. This paper explores resource management when the managing agency has preferences defined over the economic welfare of various groups with a direct economic interest in the use of resources. Policy schemes consistent with this approach are derived and compared with standard results. 相似文献
164.
Joint Implementation (JI) calls for cooperation between industrialized and developing countries in the mitigation of greenhouse gas (GHG) emissions. However, a major concern of potential host countries is that, if they utilize their low-cost options for JI now, they will be left with only high cost options in the future, thereby penalizing them at a time when they may be obligated to mitigate GHGs themselves. This paper formalizes this hypothesis by utilizing an optimal control framework analogous to the Hotelling model of non-renewable resource extraction. The results are that cumulative abatement effects can impose costs on the future, but that they can be offset by technological change, market power, or compensation. 相似文献
165.
Preference Uncertainty in Non-Market Valuation: A Fuzzy Approach 总被引:3,自引:0,他引:3
G. Cornelis van Kooten Emina Krcmar & Erwin H. Bulte 《American journal of agricultural economics》2001,83(3):487-500
In this article, we consider uncertain preferences for non-market goods, but we move away from a probabilistic representation of uncertainty and propose the use of fuzzy contingent valuation. We assume that a decision maker never fully knows her own utility function and we treat utility as a fuzzy number. The methodology is illustrated using data on forest valuation in Sweden. Fuzzy contingent valuation provides estimates of resource value in the form of a fuzzy number and includes estimates obtained using a standard probabilistic approach. 相似文献
166.
167.
Marcel Grossmann Jochen Plagemann Karl Sieg Erwin Deutsch Ehrenfried Schütte 《保险科学杂志》1982,71(1):121-141
168.
Index Number Theory Using Differences Rather Than Ratios 总被引:1,自引:0,他引:1
A bstract Traditional index number theory decomposes a value ratio into the product of a price index times a quantity index. The price (quantity) index is interpreted as an aggregate price (quantity) ratio. The present paper takes an alternative approach to index number theory, started by Bennet and Montgomery in the 1920s, which decomposes a value difference into the sum of a price difference plus a quantity difference. Axiomatic and economic approaches to this alternative branch of index theory are considered in the present paper. The analysis presented has some relevance to accounting theory in which revenue, cost, or profit changes need to be decomposed into price quantity components or where standard or budgeted performance is compared with actual performance (variance analysis). The methodology presented in the paper is also relevant for consumer surplus analysis. 相似文献
169.
Erwin Danneels 《Journal of Product Innovation Management》2006,23(1):2-4
170.
Recent empirical work demonstrates that state‐led bank expansion in rural India has contributed to a reduction in the number of poor people. In this note it is shown that the social banking policies have not simultaneously decreased the rural poverty gap. This suggests a potential trade‐off for policy makers, hinted at by earlier theoretical modeling: while opening new bank branches in “unbanked locations” might lift some people out of poverty, it may increase the depth of poverty of others. The result also illustrates the value added of combining complementary poverty measures to achieve a more complete picture of the impact of policies on livelihoods. 相似文献