Showing 1 - 10 of 17
We propose a new test of the stochastic dominance efficiency of a given portfolio over a class of portfolios. We establish its null and alternative asymptotic properties, and define a method for consistently estimating critical values. We present some numerical evidence that our tests work well...
Persistent link: https://www.econbiz.de/10010730974
This study proposes a test for mean-variance efficiency of a given portfolio under general linear investment restrictions. We introduce a new definition of pricing error or “alpha” and as an efficiency measure we propose to use the largest positive alpha for any vertex of the portfolio...
Persistent link: https://www.econbiz.de/10010731066
This paper shows that the conditionality of investment decisions in R&D has a critical impact on portfolio risk, and implies that traditional diversification strategies should be reevaluated when a portfolio is constructed. Real option theory argues that research projects have conditional or...
Persistent link: https://www.econbiz.de/10010734027
Though the majority of standards are company standards, scientific standardisation literature pays hardly any attention to them. In this paper we describe results from a research project on company standardisation (Oly & Slob, 1999). The researchers investigated six chemical and petrochemical...
Persistent link: https://www.econbiz.de/10010731094
In designing of production systems, economic and social goals can be combined, if ergonomics is integrated into the design process. More than 50 years of ergonomics research and practice have resulted in a large number of ergonomics standards for designing physical and organizational work...
Persistent link: https://www.econbiz.de/10010731369
The universality of design perception and response is tested using data collected from ten countries: Argentina, Australia, China, Germany, Great Britain, India, the Netherlands, Russia, Singapore, and the United States. A Bayesian, finite-mixture, structural-equation model is developed that...
Persistent link: https://www.econbiz.de/10010731394
The importance of standardisation is growing. This might be reflected in a growth of standardisation education. In this paper we will elaborate on education in the field of standardisation.
Persistent link: https://www.econbiz.de/10010731546
The banks in the Dutch chipcard market initially agreed on one chipcard system. One system is attractive for companies as well as consumers. Companies, banks and retailers, prevent costs of duplication, while consumers enjoy the benefits of a widespread acceptance of one card and do not face...
Persistent link: https://www.econbiz.de/10010837686
Organizations exist to create value for their stakeholders that stakeholders cannot create through individual effort. Information systems exist to increase an organization’s ability to create value using intellectual capital. A theoretical explanation of value might therefore be useful to...
Persistent link: https://www.econbiz.de/10010731208
The value of electronic collaboration has arisen as successful organisations recognize that they need to convert their intellectual resources into customized services. The shift from personal computing to interpersonal or collaborative computing has given rise to ways of working that may bring...
Persistent link: https://www.econbiz.de/10010837683