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321.
The paper analyses causes of structural change in retailing in terms of productivity and profit. The analysis of productivity focuses on economies of scale, and briefly considers the effects of an extension of shopping hours. The analysis of profits considers the factors that determine average margin per type of trade. The results are used to explain trends of increasing scale, concentration and declining share of independents. 相似文献
322.
Adrian Fernandez‐Perez Bart Frijns Ivan Indriawan Alireza Tourani‐Rad 《Agricultural Economics》2019,50(1):113-126
We examine the role of information asymmetry on changes in bid‐ask spreads during major United States Department of Agriculture (USDA) announcements. Our analyses, using corn, wheat, and soybean futures, indicate that information asymmetry is significantly higher on USDA announcement days compared to nonannouncement days. We further observe that the increased information asymmetry prior to news announcements is mainly driven by the divergence in private information possessed by market participants. However, once the USDA news is released, not only the dispersion in investors’ private information but also the surprises in news announcements contribute to increased information asymmetry and widening of bid‐ask spreads. 相似文献
323.
In this paper, we investigate whether a new phase in port-city development is emerging. We have done this by analysing the scientific literature on present and future spatial developments of the port of Amsterdam in the Netherlands in terms of the spatial and environmental policies and the viewpoints of port firms. It appears that in the Port of Amsterdam, but also in other ports, the expansion pace of the port area is slowing down, while at the same time the city is expanding in the direction of the port at an increasing speed. In the beginning, this conflict was rather passive, in the sense that the conflict was about how the redevelopment should take place. However, the conflict has evolved further to questioning whether any redevelopment should take place. This implies that a new phase in the development of the port-city interface has emerged. 相似文献
324.
Bart Clarysse Koenraad Debackere Roland Van Dierdonck ∗ 《Economics of Innovation and New Technology》2013,22(2):77-96
This paper builds on social network theory to understand technological development. Based on the empirical evidence of 367 research organisations in plant biotechnology over a nineteen-year period, we demonstrate how a structural analysis of the research network within the technological community is used to identify four collaboration-based strategic groups of research organisations. The emergence of these groups can be linked to technological breakthroughs in the field. Analyses of the four clusters point to the influence of research collaborations on stratification within an evolving technological domain. Finally, as archival data sources are used to detect incidences of collaborative research and to trace the evolution of R&D networks in an emerging field, we conclude with a discussion of the potential contribution of bibliometric data to understand the development of new technologies in their early, pre-commercial phases. 相似文献
325.
This article deals with an analysis, modeling, and assessing performances of supply chains served by long-distance intercontinental intermodal rail/road- and sea-shipping freight transport corridor(s). For such a purpose, the supply chains are defined and the methodology for assessing their performances under given conditions is developed. The methodology consists of the analytical models of indicators of the operational, economic, environmental and social performances of particular corridors and corresponding supply chains assumed to be dependent on the infrastructural and technical/technological capabilities. The models of particular indicators have been applied according to “what-if” scenario approach to assessing performances of the long-distance intercontinental inland and maritime freight transport corridors spreading between China and Europe in the scope of the “Silk Road Economic Belt” and “A New Maritime Silk Road” policy initiative. The results prove that the intermodal inland rail/road alternative could act as a serious competitive alternative to its maritime deep-sea counterpart under given conditions. Nevertheless, in order to realize the opportunities, large investments in the inland rail/road infrastructure are required to appropriately connect China with Europe. 相似文献
326.
Neessen Petra C. M. Caniëls Marjolein C. J. Vos Bart de Jong Jeroen P. 《The International Entrepreneurship and Management Journal》2019,15(2):545-571
International Entrepreneurship and Management Journal - The intrapreneurial behavior of employees has become of strategic importance for the performance of organizations. However, the literature on... 相似文献
327.
Bart Los 《Economic Systems Research》2001,13(1):3-34
This paper introduces a simple dynamic input-output model, in which some of the most important properties of recent endogenous growth theory are included: innovation, knowledge spillovers, constant returns to scale at the macro level, and full employment. The wish to keep the hybrid model as tractable as possible (despite the industry detail) caused some substantial simplifications: contrary to most endogenous growth models, the model lacks an explicit microeconomic foundation and disregards any opportunity for instantaneous substitution. After the constituent equations are presented, the long-run behavior of the model is studied by a number of computer simulations for a hypothetical economy. The paper concludes with some illustrations of the potential practical power of future interindustry endogenous growth models in integrating issues like technology, investment, trade and education. 相似文献
328.
Since July 2004, the job search effort of long-term unemployed benefit claimants has been monitored in Belgium. We exploit the discontinuity in the treatment assignment at the age of 30 present in the first year of the reform to evaluate the effect of a notification sent at least eight months before job search is verified. Eight months after this notification and prior to the first monitoring interview, transitions to employment have increased by nearly nine percentage points compared to the counterfactual of no reform. Participation in training is raised, but not significantly, while withdrawals from the labor force are not affected. 相似文献
329.
Livestock markets influence income generation for producers, but also accessibility and affordability of highly nutritious animal-sourced foods for consumers. Despite their importance, the functioning of livestock markets in lower-income countries is poorly understood and rarely studied compared to more developed countries. This study analyzes wholesale cattle markets in Ethiopia using a uniquely rich large-scale dataset covering both prices and cattle characteristics in 39 markets (in both highland and lowland areas) over a 10-year period, and hedonic regression models structured to understand both cattle price formation and seasonal and secular price dynamics. We show that cattle prices are influenced by a wide range of factors, including proxies for meat quality, religious fasting practices, climate-based seasonality but also climate shocks and availability of grazing land, competition from animal traction services, and rising consumer incomes. However, the implied effects of these factors are often significantly different in highland mixed crop-livestock areas compared to agro-pastoralist lowland areas, emphasizing the dualistic nature of cattle markets in Ethiopia. The analyses help inform the systemic challenges that Ethiopia will need to overcome to meet rising demand for beef products in the face of sustained income and population growth, as well as the adverse effects of climate change. 相似文献