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21.
Carlo TESAURO 《美中经济评论(英文版)》2009,8(2):1-8,54
The communication, joined with all its problems, became the topic for interesting studies during the mid of 90s. This attention was due to the publication of"Being Digital", wrote by Nicholas Negroponte, the first book that analyzed the communication environment in a comprehensive way. The novelty of this original book, which was immediately perceived by both the scientific and socio-economic environment, was twofold: The forecast of the revolutionary impact of digital technologies applied to the communication and the subsequent modified scenario. Nevertheless, the described scenario was contradicted or confirmed several times during last years.
The linkage between communication and socio-economic environment, after the publication of that book, represented a special focus for the scientific society since the beginning of the new millennium. The evolution of technologies involved several structural components in many different phases during last years and generated a lot of deep changes in a short time. These developing conditions made really difficult any forecasting attempt about the evolution of each technological component and, consequently, any reliable scenario for the communication environment.
The functional update of existing technologies leaded to the appearance of a new medium: Internet. This medium started with revolutionary peculiarities: low access and operating costs, multimediality, bidirectional way of usage and, above all, planetary target. The new communication tool seems to be a good candidate to substitute many of the former media or, at least, to reduce their usage in a meaningful way. Vice versa, the socio-economic effect of Internet was very weak: The new medium appears as simply added to the previous shape without meaningful influences on the diffusion of traditional media.
Nevertheless, the advantages offered by the technological innovation was not reserved only to Internet, but deeply changed all the media influencing particularly their way of supplying service. The most meaningful effects of these innovations involved both the diffusion systems and trading approach so generating a special attention also by politic environments.
The final objective of this paper is to analyze the evolution of the communication environment due to the innovation and to depict the actual communication offer. This approach will be useful to verify the conditions for reliable definition of scenarios. 相似文献
The linkage between communication and socio-economic environment, after the publication of that book, represented a special focus for the scientific society since the beginning of the new millennium. The evolution of technologies involved several structural components in many different phases during last years and generated a lot of deep changes in a short time. These developing conditions made really difficult any forecasting attempt about the evolution of each technological component and, consequently, any reliable scenario for the communication environment.
The functional update of existing technologies leaded to the appearance of a new medium: Internet. This medium started with revolutionary peculiarities: low access and operating costs, multimediality, bidirectional way of usage and, above all, planetary target. The new communication tool seems to be a good candidate to substitute many of the former media or, at least, to reduce their usage in a meaningful way. Vice versa, the socio-economic effect of Internet was very weak: The new medium appears as simply added to the previous shape without meaningful influences on the diffusion of traditional media.
Nevertheless, the advantages offered by the technological innovation was not reserved only to Internet, but deeply changed all the media influencing particularly their way of supplying service. The most meaningful effects of these innovations involved both the diffusion systems and trading approach so generating a special attention also by politic environments.
The final objective of this paper is to analyze the evolution of the communication environment due to the innovation and to depict the actual communication offer. This approach will be useful to verify the conditions for reliable definition of scenarios. 相似文献
22.
Carlo V. Fiorio 《Fiscal Studies》2008,29(4):499-522
Static tax–benefit microsimulation models (MSMs) are widely used and well‐regarded tools for public policy analysis, but it is essential to use them very carefully. This paper focuses on the analysis of MSM output, suggesting the use of non‐parametric methods as a useful, informative and relatively straightforward complement to detect effects not always captured by measures often used to present MSM results. Non‐parametric methods are used here to analyse the output of an MSM applied to the 1998 Italian personal income tax reform, the main change in which concerned the tax schedule: the first tax rate was increased from 10 per cent to 18.5 per cent and the top one was reduced by 4.5 percentage points. Non‐parametric methods highlight that the effects of this reform were very different for different types of households, with low‐income pensioner households among the main losers. Results are checked for robustness by standard statistical methods and compared with empirical results obtainable using quintile histograms. 相似文献
23.
Anna Corinna Cagliano Alberto De Marco Sabrina Grimaldi Carlo Rafele 《Journal of Risk Research》2013,16(7):817-840
Despite the increasing attention that supply chain risk management is receiving by both researchers and practitioners, companies still lack a risk culture. Moreover, risk management approaches are either too general or require pieces of information not regularly recorded by organisations. This work develops a risk identification and analysis methodology that integrates widely adopted supply chain and risk management tools. In particular, process analysis is performed by means of the standard framework provided by the Supply Chain Operations Reference Model, the risk identification and analysis tasks are accomplished by applying the Risk Breakdown Structure and the Risk Breakdown Matrix, and the effects of risk occurrence on activities are assessed by indicators that are already measured by companies in order to monitor their performances. In such a way, the framework contributes to increase companies’ awareness and communication about risk, which are essential components of the management of modern supply chains. A base case has been developed by applying the proposed approach to a hypothetical manufacturing supply chain. An in-depth validation will be carried out to improve the methodology and further demonstrate its benefits and limitations. Future research will extend the framework to include the understanding of the multiple effects of risky events on different processes. 相似文献
24.
The aim of this work is to investigate whether the combination of forecasts plays an important role in the improvement of forecast accuracy Particular attention is paid to: (a) the methods of forecasting (the methods compared are neural networks, fuzzy logic, GARCH models, switching regime and chaotic dynamics); (b) combining the forecasts provided by the different methods. This work has also the aim of revising a short-term econometric forecast using a longer-term forecast. The revision process usually runs the opposite way (revision is made on a longer-term forecast using a short-term one to reflect the current available information, but it is not excluded that it is possible to proceed as described above. Daily data from the financial market is used. Some empirical applications on exchange and interest rates are given. 相似文献
25.
Carlo Monticelli 《Review of World Economics》1996,132(2):215-235
EU-Wide Money and Cross-Border Holdings. —The paper explores the economic properties of several measures of EU-wide money that include different definitions of cross-border holdings (CBHs). ‘Very broad’ aggregates are poorly linked with EU-wide income and price developments; in contrast, the demand for aggregates which is ‘focused on the European Union’ (which hinge on the inclusion of CBHs denominated in EU currencies and/or kept within the EU) is shown to be stable and predictable. Although aggregates extended to include CBHs do not yet outperform the traditional measure of broad money, they are likely to become an increasingly important tool for monetary analysis at the EU level. 相似文献
26.
This paper evaluates the predictive power of different information sets for the European Central Bank (ECB) interest-rate-setting behaviour. We employ an ordered probit model, i.e. a limited dependent variable framework, to take into account the discreteness displayed by policy rate changes. The results show that the forecasting ability of standard Taylor-type variables, such as inflation and output gap, is fairly low both in-sample and out-of-sample, and is comparable to the performance of the random walk model. Instead by using broader information sets that include measures of core inflation, exchange rates, monetary aggregates and financial conditions, the accuracy of the forecasts about ECB future actions substantially improves. Moreover, ECB rhetoric considerably contributes to a better understanding of its policy reaction function. Finally, we find that that the ECB has been fairly successful in educating the public to anticipate the overall future direction of its monetary policy, but has been less successful in signalling the exact timing of rate changes. 相似文献
27.
28.
This paper examines how capital tax competition affects jurisdiction formation. We describe a non-cooperative locational model of public goods provision choices, where the levels of taxation and the local public good varieties provided within jurisdictions are selected by majority voting, and where equilibrium jurisdictions consist of consumers with similar tastes. We show that interjurisdictional tax competition results in an enlargement of jurisdictional boundaries, and, even in the absence of intrajurisdictional transfers, can raise welfare for all members of a jurisdiction. 相似文献
29.
Fabrizio Botti Anna Conte Daniela Di Cagno Carlo D’Ippoliti 《Research in Economics》2009,63(4):282-295
Some recent papers have studied data from TV game shows to examine the behaviour of individuals towards risk. It is generally agreed that data from these shows are useful in detecting individual risk aversion in the field, with both “real life” subjects and incentives. Field experiments also include some interesting reality features that could affect individuals’ behaviour and possibly lead to different findings. This paper aims at investigating lab versus field evidence in risk taking attitudes, especially controlling for framing effects. To assess whether the behaviour of subjects in the field is consistent with that of experimental subjects, we designed an experiment to mimic (with experimental rewards and subjects) the rules of a well-known Italian TV game show, Affari Tuoi, in two different settings: a traditional lab setting, where the game was played individually (109 subjects) (Treatment 1); and a framed lab, in which the experiment was replicated in the Italian public television (RAI) studio where the show was actually recorded, with a smaller sample of undergraduate students (33) and in the presence of an audience (Treatment 2). Our comparison between the two different settings aims at establishing whether the presence of an audience, or of a situation that reproduces the stress that contestants must experience in the TV studio, can affect experimental subjects’ choices. We did not find any significant evidence of framing effects: students behave in a similar way in the two lab settings, responding essentially to incentives. Comparing the risk attitudes shown by experimental subjects in the two lab treatments with those exhibited by the contestants in the field, we found that contestants in the TV show are generally more risk averse than students in the lab. 相似文献
30.
The communication that Destination Management Organizations (DMOs) address to destination stakeholders plays a central role in attracting attention and resources for sustainable destination development and disclosing the efforts made to be a sustainable territory. There has been extensive analysis on the role of official tourism websites that addresses both DMO's internal and external stakeholders. However, less exploration is available on the relationship between the contents disclosed through tourism websites and the strategic positioning of the destination. This study empirically examines that link with a focus on ‘green/sustainable/responsible' travel. Results show a positive association between the orientation to sustainability in online communication and both sustainable regulation of the tourism sector and tourism development. In contrast, there is no significant association with destination size, tourism maturity and pricing policies. 相似文献