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排序方式: 共有83条查询结果,搜索用时 15 毫秒
1.
Juan Carlos Martín Augusto Voltes-Dorta 《Transportation Research Part E: Logistics and Transportation Review》2009,45(1):250-254
Benefits and costs associated to hubbing practices of airlines are still subject to much debate. In the previous literature, some standard spatial concentration indices have been proposed to measure it. However, we show that these indices are “ill-defined” because they do not take into account the salient characteristic of hubbing: connecting passengers. The purpose of this research is to present a new methodology which avoids the pitfalls of other methods. Our new methodology also analyzes the level of concentration of the connecting passengers studying two different dimensions: hub airports and routes. Finally, we apply our methodology to some US carriers. 相似文献
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3.
Leonardo Augusto de Vasconcelos Gomes Rafael Augusto Seixas Reis de Paula Ana Lúcia Figueiredo Facin Vinicius Chagas Brasil Mario Sergio Salerno 《R&D Management》2022,52(1):79-92
Setting the right approach for new product development (NPD) in the presence of uncertainty remains an ongoing debate in innovation management. Stage-gate systems (SGS) and agile methodology (AM) are the dominant approaches. Recently, hybrid approaches (combining SGS and AM) have been proposed. Although these hybrid approaches represent a significant development in NPD, combining them without considering their design principles might lead to contradictory and competing conceptual formulations, thus increasing the difficulty of comparison among studies. Moreover, scholars and practitioners may struggle to understand when, why and how a certain configuration of the NPD process provides the right response to different manifestations of uncertainty. The current literature faces problems regarding the clarity of design principles (e.g. flexibility and adaptability), and this has led to research gaps concerning the uncertainty contingency and outcomes of hybrid approaches. This study combines bibliometric and content analyses to identify four design parameters and principles of NPD hybrid approaches: flexibility, adaptability, velocity and integration. Our findings might help advance the development and comparison of different hybrid approaches. 相似文献
4.
Augusto Hasman 《Journal of economic surveys》2013,27(5):978-995
The recent financial crisis has focused the attention of scholars and policymakers on how to improve financial stability through better macro‐prudential regulation and supervision. In this paper, we compare the existing theoretical and empirical literature on contagion through the banking system. It is argued that the structure of the interbank market, the size of banks, the linkages among them, the level of correlation of their investments and the transparency of the regulator are key factors in determining the possibility of contagion. We discuss the different findings and present avenues for future research. 相似文献
5.
Augusto Graziani 《International Review of Applied Economics》2002,16(1):97-105
The adoption of Euro as a common currency of twelve European countries has meant a considerable change in the Italian exchange rate policy. In the past, before Italy entered the EMS and again in 1992-96 when Italy temporarily left the EMS, the Italian monetary authorities enacted a policy of managed exchange rates, aiming at keeping the dollar rate stable, while letting the Italian lira depreciate vis-à-vis the German mark. By so doing, the danger of imported inflation was reduced (the dollar area was then a major import area) and at the same time the Italian exports to Europe were made easier. In the presence of a regime of fixed exchange rates in the European area, Italian industry is trying to make its exports more competitive by means of a reduction in costs. This means moving segments of production to small or middle-size firms, located in Italy as well as in developing countries. A further help is coming from the gradual but consistent depreciation of the Euro against the US dollar. The relevance of the dollar area in Italian exports has been correspondingly increasing. 相似文献
6.
Pricing farm-level agricultural insurance: a Bayesian approach 总被引:1,自引:0,他引:1
Vitor Augusto Ozaki 《Empirical Economics》2009,36(2):231-242
This paper applies Hierarchical Bayesian Models to price farm-level yield insurance contracts. This methodology considers
the temporal effect, the spatial dependence and spatio-temporal models. One of the major advantages of this framework is that
an estimate of the premium rate is obtained directly from the posterior distribution. These methods were applied to a farm-level
data set of soybean in the State of the Paraná (Brazil), for the period between 1994 and 2003. The model selection was based
on a posterior predictive criterion. This study improves considerably the estimation of the fair premium rates considering
the small number of observations.
相似文献
7.
Rafael Moreira Antnio Fabiano Guasti Lima Rogiene Batista dos Santos Alex Augusto Timm Rathke 《Australian Accounting Review》2019,29(1):220-234
This study investigates whether market analysts’ forecasts are influenced by the presence of derivative financial instruments in listed firms. From a sample of firms comprising 1173 derivative users and 7797 non‐users for the 2006–14 period, the results indicate the existence of less error behaviour (bias) on earnings per share forecasts for derivative user firms compared to non‐user firms. This finding suggests that these instruments may be used to protect businesses and provide greater stability in the results of companies that use them. The presence of derivative financial instruments is increasing among listed firms, and management can use them for hedging or speculation (thus mitigating or increasing risk). The literature contains few studies on this issue, and the general understanding relies on the assumption that derivative financial instruments provide relevant information for decision making. 相似文献
8.
ABSTRACT The Balearic and the Canary Islands are two well-known tourism-led economies. They both experienced a tourism boom during the same decades, and, hence, they developed a similar productive-mix. Nevertheless, there are strong economic differences between the two regions. While the Balearic Islands enjoy a high GDP per capita, the Canary Islands show a more modest performance. The results of a panel data regression confirm our hypothesis that they differ substantially in terms of income elasticity of tourism. It is two times higher in the Balearic Islands than in the Canaries, which indicates the first is perceived as a more luxurious destination. Furthermore, the results of a dynamic computable general equilibrium model show that the Canaries would converge in GDP per capita with the Balearic Islands if they attracted tourists with a similar profile as the latter. 相似文献
9.
Igor Jordano Cassemiro Gondim Nadia Morandier Ivan Rodrigo Rizzo Dias Cyro Augusto Pachicoski Couto Teresa Cristina Alves Charotta 《Latin American Business Review》2017,18(1):1-18
Developing markets have increasingly gained prominence in the world economy, but the domestic factors behind this success are not well established. This uncertainty may interfere with multinational expansion plans. In this article, we examine several macroeconomic and institutional factors affecting Brazilian outward foreign direct investment in 17 destination countries. We applied a pooled ordinary least squares regression over the 2001–2014 period. The findings suggest that macroeconomic factors are still statistically significant to explain investment abroad, but several institutional factors such as corruption have emerged, having a negative effect and political violence having a positive effect on Brazilian outward foreign direct investment. 相似文献
10.