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41.
Sophie Bade 《Journal of Economic Theory》2009,144(4):1817-1831
We consider non-cooperative environments in which two players have the power to gradually and unilaterally rule out some of their actions. Formally, we embed a strategic-form game into a multi-stage game, in which players can restrict their action spaces in all but the final stage, and select among the remaining actions in the last stage. We say that an action profile is implementable by commitment if this action profile is played in the last stage of a subgame-perfect equilibrium path. We provide a complete characterization of all implementable action profiles and a simple method to find them. It turns out that the set of implementable profiles does not depend on the length of the commitment process. We show, furthermore, that commitments can have social value in the sense that in some games there are implementable action profiles that dominate all Nash equilibria of the original game. 相似文献
42.
Agnès Bénassy-Quéré Sophie Béreau Valérie Mignon 《Scottish journal of political economy》2009,56(5):608-633
This paper is concerned with the robustness of equilibrium exchange rate estimations based on the BEER approach for a set of both industrial and emerging countries. The robustness is studied in four directions, successively. First, we investigate the impact of using alternative proxies for relative productivity. Second, we analyze the impact of estimating the equilibrium equation on one single panel covering G20 countries, or separately for G7 and non-G7 countries. Third, we measure the influence of the choice of the numeraire on the derivation of bilateral equilibrium rates. Finally, we study the temporal robustness of the estimations by dropping one or 2 years from the estimation period. Our main conclusion is that BEER estimations are quite robust to these successive tests, although at one point of time misalignments can differ by several percentage points depending on the methodology. The choice of the productivity proxy is the most sensible one, followed by the country sample. In contrast, the choice of the numeraire and the time sample have a relatively limited impact on estimated misalignments. 相似文献
43.
Many companies decide which services, products, and technologies to include in their product portfolio using evaluation criteria, which often consider cost, quality, risk, revenue, time, and market position. Incorporating sustainability in the portfolio evaluation criteria could ensure the development of sustainable solutions from the early stages of the product development process, where there is more room for innovation. The aim of this paper is to understand how sustainability can be integrated in the company portfolio development. Semi-structured interviews were performed with experts in the field and representatives from multinational manufacturing companies with operations in Sweden. Main findings from this study include a proposed definition of a sustainability product portfolio concept and suggested portfolio evaluation criteria from an industry perspective. Future research will develop a method to guide manufacturing companies in sustainability integration and implementation in product portfolios. 相似文献
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Determinants of bank interest margins in Central and Eastern Europe: A comparison with the West 总被引:5,自引:0,他引:5
We investigate the determinants of bank interest margins in the Central and Eastern European countries (CEEC). We assess to what extent the relatively high bank margins in CEEC can be attributed to low efficiency or non-competitive market conditions, controlling for the macroeconomic environment and the influence of foreign and state-owned banks. We systematically compare CEEC banks with Western European banks. Our results indicate that banking in the CEEC is on a virtuous path, at least in the EU accession countries: Increased efficiency benefits customers, while capital adequacy supports systemic stability. In the non-accession countries, important policy actions are required. 相似文献
46.
Toward The Networked City? Translating Technological ideals and Planning Models in Water and Sanitation Systems in Dar es Salaam 下载免费PDF全文
Jochen Monstadt Sophie Schramm 《International journal of urban and regional research》2017,41(1):104-125
One of the most influential ideals for constructing and managing cities and infrastructures worldwide is that of the ‘networked city'. This ideal refers to the technological design and morphology of cities integrated and ordered by infrastructure networks and to a specific model in the operation, use and planning of infrastructures. Engineers, planners and public health officials have aspired to align with this circulating ideal of urban modernity, hygiene and rationalization of nature in (re)producing cities worldwide. Like many cities in the global South, Dar es Salaam cannot be characterized by universal access to centralized water and sewerage networks. While formal institutions, planning documents and strategies reflect significations, as well as organizational and planning models of a networked city, its urban environments are shaped by hybrid arrangements manifesting unequal access to water and sanitation services. We build on postcolonial critique in urban studies and science and technology studies to inquire into this contradiction by addressing the translation of the ideal of the networked city in Dar es Salaam. Our objective is to uncover the negotiations over the translation of this hegemonic model, and to delineate the scope of creativity in reinventing alternative urban modernities that defy simplistic notions of technology transfer. 相似文献
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48.
Anna-Helen Brendler Prof. Dr. Sven Jöckel Filia Niemann Sophie Peter Helen Schneider Hannah Stiebeling Tanja Weber 《Publizistik》2013,58(2):161-178
Migrant’s media use is a growing research field in communication. This article offers an integrated view on the relationship of media use, adolescents’ identity development and social integration. Based on Hurrelmann’s conceptualization of (media) socialization, Esser’s integration theory and Keupp’s concept of identity development, this study deduces a theoretical framework for analyzing the importance of individual and mass media in the process of adolescent immigrant’s social integration. Empirically, an exploratory-qualitative survey consisting of eight group discussions and ten face-to-face interviews highlights the importance of the hybrid character of socialisatio in multi-cultural entities (community of origin and admission). The media’s role in this process is limited. 相似文献
49.
Sophie Staniszewska Ade Adebajo Rosemary Barber Peter Beresford Louca‐Mai Brady Jo Brett Jim Elliott David Evans Kirstie L. Haywood David Jones Carole Mockford Mary Nettle Diana Rose Tracey Williamson 《International Journal of Consumer Studies》2011,35(6):628-632
While patient and public involvement (PPI) in health and social care research has progressed successfully in the last decade, a range of difficulties with the evidence base exist, including poor understanding of the concept of impact, limited theorization and an absence of quantitative impact measurement. In this paper, we argue that a paradigm change towards robust measurement of the impact of involvement in research is needed to complement qualitative explorations. We argue that service users should be collaboratively involved in the conceptualization, theorization and development of instruments to measure PPI impact. We consider the key advantages measurement would bring in strengthening the PPI evidence base through a greater understanding of what works, for whom, in what circumstances and why. 相似文献
50.