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101.
102.
A feature of the sustainability problem is that the preferences of future generations are uncertain. In this paper, we put forward a fairness-based definition of sustainability that takes this uncertainty into account. We analyze the implications of this definition in the context of a model of project evaluation. We show that our definition encompasses the concepts of non-declining welfare and of weak and strong sustainability. Furthermore, we show that preference uncertainty has a substantial influence on the implications of sustainability. We are indebted to two anonymous referees whose comments helped considerably to improve the paper. All remaining errors are ours.  相似文献   
103.
Credit market constraints and labor market decisions   总被引:1,自引:0,他引:1  
In this paper, we examine whether imperfections in credit markets spill over to other markets, particularly the labor market. We take the case of Italy, a country that experienced changes in the mortgage market brought about by the 1992 European unification and other institutional shifts. These events make Italy a good laboratory to study the effects of financial markets on the labor market. Using household data from the Bank of Italy between 1989 and 1993, we estimate the relationship between female participation and mortgage use. We find a significant impact of mortgages on women's participation in the labor market.  相似文献   
104.
The introduction and establishment of renewable energies is still discussed intensively with the focus on climate-neutral coverage of the global energy demand. In this regard it is a valid option to use biomass as a feedstock. Already today biomass contributes significantly to cover the energy demand in the global energy system. Therefore, the present and future global bioenergy potentials are investigated in the following and compared to the respective biomass use. The results show, amongst others, that the share of biomass for heat, electricity and fuel production will increase worldwide until 2030, although the availability of biomass for energy production is likely to decline in the future.  相似文献   
105.
106.
Quality & Quantity - Real estate market follows generally the evolution of the economic cycles. In Italy, it has been characterized by a period of expansion (2000–2006) and a period of...  相似文献   
107.
Recently, the diffusion of digital machines has further enhanced firms’ manufacturing flexibility, but also opened questions on potential challenges and implications in the production process. To respond to these timely issues, this study adopts a behavioral perspective and comparatively explores how four different types of digital machines—characterized by increasing degrees of manufacturing flexibility—affect the perception and use of space and time for routines within the production plant. To this end, 45 digital manufacturing machines, sampled across 14 firms in the British and Italian motorsport industry, were qualitatively observed and compared. A model emerges where four key mechanisms reshape (1) the interactive space around the machine, (2) the innovation activities performed in the machine space, (3) the time within activities involving the machine, and (4) the time perception. Such mechanisms mediate the relationship between manufacturing flexibility and firm performance. Further, data show how increasing digitalization in the manufacturing process enhances the establishment of new routines as flexible machines get introduced in the production. Finally, theoretical and practical implications related to fostering a behavioral perspective in innovation and operations management studies are discussed.  相似文献   
108.
Representing the main commercial activity on the Antarctic continent, Antarctic tourism is increasingly thrust into the limelight as both benefactor and detractor to the environmental and political integrity of Antarctica. In view of its unprecedented growth, questions arise about the limitations of future tourism development in Antarctica. This paper assesses Antarctic tourism development over the last five decades and evaluates its current and future status from the viewpoints of Antarctic tourism stakeholders. This assessment is informed by interviews with Antarctic tourism stakeholders and a Delphi study undertaken in 2007. The authors found that Antarctic tourism stakeholders are concerned about the increasing scale and diversification of Antarctic tourism and generally subscribe to a conservation imperative when expressing their hopes for the future use of Antarctica and the development of Antarctic tourism. In conclusion, the rapid development of Antarctic tourism requires structural, institutional and legislative changes if Antarctic tourism regulation is to remain successful.  相似文献   
109.
For continuous key variables, a measure of the individual risk of disclosure is proposed. This risk measure, the local outlier factor, estimates the density around a unit. A selective masking method based on the nearest-neighbour principle and microaggregation is also introduced. Some results of an application to the Italian sample of the Community Innovation Survey are presented.  相似文献   
110.
Several interpretations converge in defining innovation networks as formed by heterogeneous actors, mainly identified in universities, research centers, and business companies. While the issue of actors' heterogeneity has generated active debate in strategy and organization studies, there has been little discussion so far in exploring the role of this diversity in innovation networks.Drawn from previous literature, we identify six attributes of actors' heterogeneity which seem to matter for the development of collaborative innovation: goals, knowledge bases, capabilities and competences, perceptions, power and position, culture. This paper is aimed at pursuing issues in need of further investigation. In particular 1. how the interplay of diverse actors' attributes shapes the interaction process in the development of collaborative innovation; 2. if and how combinations of their attributes are more likely to generate certain consequences in interaction; and 3. the degree to which heterogeneity is preferable to homogeneity for the effectiveness of innovation networks. In a recursive relationship, we also call for more research on the mechanisms that lead actors' attributes to change as an effect of interaction as well as on the interaction capabilities actors apply to manage heterogeneity.  相似文献   
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