abstract portfolio definition is the most important decision for individuals and legal persons that invest in stock. the main objective of this paper is study and determination of optimal portfolio for stock of active food industrial company in tehran stock based on value at risk (var) index. for this purpose, we used weekly static of stock of active food industrial company in tehran from bahma...

despite the growing use of evolutionary multi-objective optimization algorithms in different categories of science, these algorithms as a powerful tool in portfolio optimization and specially solving multi-objective portfolio optimization problem is still in its early stages. in this paper, moeas have been used for solving multi-objective portfolio optimization problem in tehran stock market. f...

The purpose of resent research is to analysis and compares performance evaluation models of selected investment companies in Tehran Stock Exchange Market in the field of their portfolio management. The duration of research was between years 2009-2014. Statistical society the research is consisting of all active investment companies in in Tehran Stock Exchange Market which were 30 companies. Vol...

In this paper an example of the questionnaires’ working out has been included about one topic: educational concept. The other topics, not worked out in this paper, from the questionnaire are:  Policy-related basic assumptions  Use of portfolio  Institution-wide portfolio systems  Freedom of choice of students portfolio  Roles with portfolios  Embedding curriculum  Guidance/coaching  Ass...

This paper reviews the literature linking ICT to teaching thinking skills and advocates a new dialogic framework which has implications for practice. The main conceptualisations of the relationship between ICT and teaching thinking are described as, the computer as tutor, the computer as cognitive tool and the computer as support for collaborative learning. The computer supported collaborative ...

While portfolios are increasingly used to assess competence, the validity of such portfolio-based assessments has hitherto remained unconfirmed. The purpose of the present research is therefore to further our understanding of how assessors form judgments when interpreting the complex data included in a competency-based portfolio. Eighteen assessors appraised one of three competency-based mock p...

The Department of Education (DoE) and the Council for Higher Education Accreditation (CHEA) are regulatory agencies in the system of accreditation that influence both the quality and reputation of colleges and universities. Recent criticism (e.g., Butler, 2012; Obama, 2013b; Weissburg, 2009; Wellman, 1998) of accreditation processes in the United States and changing legislation (i.e., DoE, 2014...

Cities are engines of the knowledge-based economy, because they are the primary sites of knowledge production activities that subsequently shape the rate and direction of technological change and economic growth. Patents provide a wealth of information to analyse the knowledge specialization at specific places, such as technological details and information on inventors and entities involved, in...

In this paper we evaluate and extend the PORTRAIT tool. PORTRAIT applies an argumentation based methodology for composing fund portfolios. Argumentation allows for combining different contexts and preferences in a way that can be optimized. It allows for defining a set of different investment policy scenarios and supports the investor/portfolio manager in composing efficient portfolios that mee...