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31.
We analyze a model in which the interaction of broadcasters, advertisers, and consumers determines the level of nonadvertising broadcasting produced and consumed. Our main finding is that an increase in concentration in broadcast media industries may lead to a decrease in the total amount of nonadvertising broadcasting. The strength of this inverse relationship depends, in part, on the behavioral response of the consumers to changes in advertising intensities. We also present a numerical general equilibrium solution to our model and demonstrate a positive relationship between consumer welfare and the number of firms in the broadcast industry. 相似文献
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Survey textbooks suggest that long questionnaires should be avoided, and a careful reading of the available empirical evidence confirms the negative effects of substantial length on both response rates and the quality of those responses which are obtained. Data is presented from a lengthy survey in Britain in 1987. Analysis of reasons for nonresponse to this survey suggest that length may indeed have been a significant disincentive to respond for many. However, no effect of length was found on item quality as measured by the number of responses given to open-ended questions. Unexpectedly, the variance in number of responses was greater when the questions were asked later in the questionnaire. The results are interpreted as resulting from the greater power that respondents gain as the survey proceeds. 相似文献
34.
Brendan O'Rourke 《Economic Affairs》1992,12(2):35-37
Many students of economics consider it an unrealistic subject. But as Brendan O'Rourke, of the Accountancy & Business College, Dublin, points out, its capacity to analyse complex problems lies in its capacity to make abstractions. 相似文献
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36.
Richard G. Sheehan 《Journal of Macroeconomics》1983,5(4):473-494
In this paper we attempt to ascertain multivariate money-income causality. Previous studies using a bivariate framework likely suffer from bias as a result of omitted variables. A framework is developed where both U.S. money and domestic money in an open, nonreserve currency country may influence that country's income. Reverse causation from income to domestic money is also possible. We use data from six countries to test the model. Our results suggest that both U.S. and domestic money stocks are important determinants of income. Thus, bias exists in previous studies. However, our results vary by country and are sensitive to the measure of money included which suggests that important variables may still be omitted. 相似文献
37.
Brendan Bayley 《Journal of Agricultural Economics》2024,75(1):17-43
Basic economic logic, which often simplifies assessments and explanations of agricultural policy issues, is vitally important in communicating with policy-makers. Resources are limited, and there is a premium on getting decisions at least approximately right first time. Examples from southern Africa illustrate the importance of parity pricing, and its links to household food security (Lesotho), price risk, the emergence of an agricultural futures market, and its central role in allocating scarce agricultural resources (South Africa). Insights derived from an appreciation of parity pricing are relevant in other national contexts and also help explain how international grain markets operate. The parity pricing concept provides a framework for sense-checking complicated debates relating to two issues that have been prominent in recent years; first, whether and to what extent speculation in futures markets has been a driver of agricultural price spikes, and second, how far indirect land use change (ILUC), triggered by the use of agricultural feedstocks to produce renewable energy, is a material issue. These issues are likely to be of heightened importance in the face of climate change. Each emphasises that agricultural economics matters, and that it matters that we get the economics right. 相似文献
38.
Brendan Canavan 《Leisure Studies》2018,37(2):184-196
This article uses exploratory netnographic analysis of 12 generation Y backpackers on an extended joint holiday in order to better understand and represent a rapidly emerging but underrepresented cohort. Insight is gained into a complex cohort with high expectations of leisure and tourism. Freedom and familiarity, challenge and indulgence, customisation and community, emerge as the themes which frame their often contradictory consumption. On the cusp of a sometimes unwelcome and not always achievable adulthood this is a generation in a unique position who accordingly have unique expectations of their leisure and tourism. 相似文献
39.
Atlantic Economic Journal - Standard models of indirect price discrimination generate a separating equilibrium in which all consumers choose bundles on their demand curves. Low-demand consumers... 相似文献
40.
Multidimensional network data can have different levels of complexity, as nodes may be characterized by heterogeneous individual-specific features, which may vary across the networks. This article introduces a class of models for multidimensional network data, where different levels of heterogeneity within and between networks can be considered. The proposed framework is developed in the family of latent space models, and it aims to distinguish symmetric relations between the nodes and node-specific features. Model parameters are estimated via a Markov Chain Monte Carlo algorithm. Simulated data and an application to a real example, on fruits import/export data, are used to illustrate and comment on the performance of the proposed models. 相似文献