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排序方式: 共有106条查询结果,搜索用时 31 毫秒
31.
The objective of this paper is to gain insights into the relationship between deficit-reducing policies and the evolution of the debt/GDP ratio. We consider past events of fiscal consolidation in a selected group of EU countries and check what is the associated change of the debt/GDP ratio both from a short- and medium-term perspective. In the analysis, we also differentiate between tax-based and savings-based fiscal consolidations and the pre-Euro and Euro periods. Our results point towards a positive short-term effect, while the medium-term effect turns out to be negative. Savings-based fiscal consolidations result to be less negative on the DGR evolution than tax-based ones. The Euro’s introduction seems not to have altered significantly the relationship studied. 相似文献
32.
Elisa Martinelli Gianluca Marchi 《International Review of Retail, Distribution & Consumer Research》2013,23(3):203-218
Abstract The paper aims to explore the factors that enable or inhibit the use of Electronic-Reverse Auctions (E-RAs) in the buying process of a large food retail organization, through a category management perspective. Using a case-study analysis based on in-depth interviews, examination of internal documents, simulation and direct observation of some E-RAs, we studied the experience of an Italian-based retailer conducting E-RAs during a two-year period. This approach enabled us to propose an E-RAs development model in retail buying groups, discussing enabling and inhibiting factors such as product, market, organizational and strategic factors. Propositions are developed to stimulate thought and provide guidance for future research. 相似文献
33.
Gianluca Femminis 《Metroeconomica》2006,57(2):214-238
We develop a partial equilibrium dynamic model in which firms are risk‐averse. We analyse the determinants of the investment–uncertainty relationship by means of numerical techniques. When firms can borrow ‘outside’ resources at the riskless rate, an increase in price volatility depresses investment for realistic parameter values. In our model, portfolio considerations play an important role. When the marginal revenue of capital becomes more uncertain, the risk‐averse firm's owners reduce their ‘short position’ in the risk‐free asset, thus diminishing the firm's debt level. The contraction in leverage reduces the expected returns on investment because the expected marginal revenue product is higher than the user cost of capital. In turn, the reduction in expected yields tends to depress investment. 相似文献
34.
35.
Colin Lizieri Gianluca Marcato Paul Ogden Andrew Baum 《The Journal of Real Estate Finance and Economics》2012,45(3):774-803
Efficient markets should guarantee the existence of zero spreads for total return swaps. However, real estate markets have recorded values that are significantly different from zero in both directions. Possible explanations might suggest non-rational behaviour by inexperienced market players or unusual features of the underlying asset market. We find that institutional characteristics in the underlying market lead to market inefficiencies and, hence, to the creation of a rational trading window with upper and lower bounds within which transactions do not offer arbitrage opportunities. Given the existence of this rational trading window, we also argue that the observed spreads can substantially be explained by trading imbalances due to the limited liquidity of a newly formed market and/or to the effect of market sentiment, complementing explanations based on the lag between underlying market returns and index returns. 相似文献
36.
Matthew Hirst Matthew W. Bending Gianluca Baio Amina Yesufu-Udechuku William C. N. Dunlop 《Journal of medical economics》2018,21(9):930-935
Aims: The study objective was to develop an open-source replicate of a cost-effectiveness model developed by National Institute for Health and Care (NICE), in order to explore uncertainties in health economic modeling of novel pharmacological neuropathic pain treatments.Materials and methods: The NICE model, consisting of a decision tree with branches for discrete levels of pain relief and adverse event (AE) severities, was replicated using R, and used to compare a hypothetical neuropathic pain drug to pregabalin. Model parameters were sourced from NICE’s clinical guidelines and associated with probability distributions to account for underlying uncertainty. A simulation-based scenario analysis was conducted to assess how uncertainty in efficacy and AEs affected the net monetary benefit (NMB) for the hypothetical treatment at a cost-effectiveness threshold of £20,000 per QALY.Results: Relative to pregabalin, an increase in efficacy was associated with greater NMB than an improvement in tolerability. A greater NMB was observed when efficacy was marginally higher than that of pregabalin, while maintaining the same level of AEs than when efficacy was equivalent to pregabalin, but with a more substantial reduction in AEs. In the latter scenario, the NMB was only positive at a low cost-effectiveness threshold.Limitations: The replicate model shares the limitations described in the NICE guidelines. There is a lack of support in scientific literature for the assumption that increased efficacy is associated with a greater reduction in tolerability. The replicate model also included a single comparator, unlike the NICE model.Conclusions: Pain relief is a stronger driver of NMB than tolerability, at a cost-effectiveness threshold of £20,000 per QALY. Health technology assessment decisions which are influenced by NICE’s model may reward efficacy gains, even if they are associated with more severe AEs. This contrasts with recommendations from clinical guidelines for neuropathic pain, which place more equal weighting on improvements in efficacy and tolerability as value drivers. 相似文献
37.
Gianluca Cubadda 《Empirical Economics》1999,24(3):529-535
This paper examines the frequency-domain implications of the serial correlation common feature in order to evaluate its merits
as an indicator of common business cycles among economic variables. It is shown that the presence of the serial correlation
common feature in the first differences of a set of I(1) time series is not informative for the degree and the lead-lag structure
of their comovements at the business cycle frequencies.
First version received: October 1997/Final version received: December 1998 相似文献
38.
39.
Gianluca Orefice 《The World Economy》2017,40(9):1807-1835
This paper studies the determinants of the recent proliferation of Specific Trade Concerns raised at the WTO on non‐tariff trade measures (NTMs), with a focus on sanitary and phytosanitary (SPS) and technical barriers to trade (TBTs). Even though NTMs are imposed de jure to protect consumers from unhealthy products, they increase trade costs de facto. So, when tariff protection lowers, NTMs become effective barriers to trade and the exporting countries can complain at the dedicated committee at the WTO (STCs). Therefore, we study whether STCs are raised by exporting countries as a consequence of tariff reductions in importing countries, that is when non‐tariff measures become barriers to trade. Using a recent database on STCs over the period 1996–2010, we find empirical evidence that SPS and TBT concerns are raised by exporting country as a consequence of importer's tariff cut. 相似文献
40.
Non‐residents’ Holdings,Market Volatility and Public Debt Sustainability. An Analysis with Data for Italy 下载免费PDF全文
Gianluca Cafiso 《Review of International Economics》2016,24(3):484-513
Non‐residents’ holdings (NRH) of debt securities have been large in euro area countries, but during the euro area debt crisis some of those countries experienced a steep contraction of such holdings. The analysis aims to provide a data‐founded explanation of what is behind the decrease observed in 2011 by testing two alternative hypotheses. At the same time, we discuss how that decrease might have endangered the sustainability of public debt and study the empirical relevance of the most important of those processes. The topics presented refer to any advanced economy, but we check the hypotheses discussed by taking Italy as a case study because of data constraints. Italy is an interesting country to consider since it is a very large debt issuer. Our results point towards the importance of market volatility to explain variations of NRH, but those holdings do not seem to influence debt sustainability. 相似文献