نتایج جستجو برای: for both portfolios

تعداد نتایج: 10714079  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده مدیریت 1393

within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1388

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

2002
Michael J. Brennan Ashley W. Wang Yihong Xia Rodney L. White

Characterizing the instantaneous investment opportunity set by the real interest rate and the maximum Sharpe ratio, a simple model of time varying investment opportunities is posited in which these two variables follow correlated Ornstein-Uhlenbeck processes, and the implications for stock and bond valuation are developed. The model suggests that the prices of certain portfolios that are relate...

2005
DANIEL DORN GUR HUBERMAN

Combining survey responses and trading records of clients of a German retail broker, this paper examines some of the causes for the apparent failure to buy and hold a well-diversified portfolio. The subjective investor attributes gleaned from the survey help explain the variation in actual portfolio and trading choices. Self-reported risk aversion is the single most important determinant of bot...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

2011
Jerry Whitworth Thomas Deering Samuel Hardy Steven Jones

This study explored the perceptions of school administrators and teacher educators regarding the effective use of portfolios in the process of hiring new teachers. Three questions helped to focus this study: (1) What are the perceptions of school administrators and teacher educators regarding the value and use of portfolios in the employment of teachers? (2) What are the perceptions of school a...

2011
Vallabh Sambamurthy

4 Firms invest in a variety of information technologies and seek to align their IT asset portfolios 5 with two key performance outcomes: efficiency and innovation. Existing research makes the 6 universalistic assumption that both outcomes will always be realized through firms' IT asset 7 portfolios. There has been limited research on the conditions under which firms' IT asset 8 portfolios shoul...

Journal: :Annals of Mathematics and Artificial Intelligence 2015

Journal: :Review of Finance 2021

Abstract How should long-term investors form portfolios in our time-varying, multi-factor and friction-filled world? Two conceptual frameworks may help: first, look directly at the stream of payments that a portfolio payout policy can produce. Second, include general equilibrium view markets’ economic purpose, nature investors’ different preferences, risk-taking ability, function equilibrium. T...

Journal: :MIS Quarterly 2012
Ling Xue Gautam Ray Vallabh Sambamurthy

Firms invest in a variety of information technologies and seek to align their IT asset portfolios with two key performance outcomes: efficiency and innovation. Existing research makes the universalistic assumption that both outcomes will always be realized through firms’ IT asset portfolios. There has been limited research on the conditions under which firms’ IT asset portfolios should be orien...

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