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排序方式: 共有745条查询结果,搜索用时 15 毫秒
81.
82.
The continued growth of the Chinese economy accompanied with the expansion of international investment in China has led to an increase in foreign research and development (R&D) activities in the country. Aside from the rising importance of R&D internationalization, research on foreign R&D in China has been neglected in the past due to its emerging status. In this article we examine drivers and barriers for conducting R&D in China. The focus of our research is on transnational companies typically characterized by decentralized R&D activities. Our research is mainly based on qualitative interviews with senior R&D managers. The success of foreign R&D activities in China strongly depends on the realistic estimation of its advantages and the proper identification and handling of barriers. 相似文献
83.
We present three scenarios concerning access to documents in three real world fields of application, which have in common that they are very difficult to support with classical anticipative access control systems. We show, how - based on a highly configurable notification and negotiation service, which is tightly integrated with a classical access control system - the common permission and denial options can be extended with awareness and negotiation and how this approach supports the three initial access scenarios. We also introduce our implementation of the notification and negotiation service in the PoliTeam project. 相似文献
84.
Tim Lloyd Oliver Morrissey & Geoffrey Reed 《Economic journal (London, England)》1998,108(447):458-476
Intervention analysis is proposed as a method for estimating the effects of anti-dumping actions in the presence of a domestic cartel. Data requirements and modelling effort compare favourably with traditional structural model approaches. The method is applied to an anti-dumping action brought to the European Commission and in which the European producers of the product were fined after an anti-cartel action by the Commission covering an overlapping period. Interven tion analysis is applied to distinguish the effects of the anti-dumping action from those of changes in cartel behaviour 相似文献
85.
Oliver E. Williamson 《Economic Affairs》2008,28(3):7-14
Theories commonly progress through four stages, from informal to pre‐formal to semi‐formal and fully formal. This paper reports on the earliest stage of transaction cost economics that extended from the 1920s to the 1970s. That the gestation stage lasted so long is partly because transaction cost economics departed significantly from the then‐prevailing economic orthodoxy. Also, and related, it is an interdisciplinary undertaking. As reported herein, transaction cost economics selectively combines economics, organisation theory and law and is the product of the contributions of some of the finest minds in those three fields. 相似文献
86.
Oliver Kopplin 《Heilberufe》2008,60(2):28-30
Zusammenfassung Eine Rollstuhlanpassung in fünf Akten — K?nnen Sie sich Ihren Arbeitsalltag ohne den Rollstuhl vorstellen? Sicher nicht. Doch
allzu oft kommt der n?chstbeste Stuhl zum Einsatz – ungeachtet der K?rperma?e der Person, die ihn benutzen soll und die dann
eher schlecht als recht darin sitzt. Doch schon kleinste Ver?nderungen an Rücklehne oder Sitzposition k?nnen Ihrem Patienten
helfen. Oliver Kopplin gibt Pflegekr?ften Tipps, worauf sie bei Patienten im Rollstuhl achten sollten. 相似文献
87.
88.
We examine time‐series features of stock returns and volatility, as well as the relation between return and volatility in four of China's stock exchanges. Variance ratio tests reject the hypothesis that stock returns follow a random walk. We find evidence of long memory of returns. Application of GARCH and EGARCH models provides strong evidence of time‐varying volatility and shows volatility is highly persistent and predictable. The results of GARCH‐M do not show any relation between expected returns and expected risk. Daily trading volume used as a proxy for information arrival time has no significant explanatory power for the conditional volatility of daily returns. JEL classification: G15 相似文献
89.
90.