نتایج جستجو برای: stock selection skill

تعداد نتایج: 441436  

In capital markets, stock price forecasting is affected by variety of factors such as political and economic condition and behavior of investors. Determining all effective factors and level of their effectiveness on stock market is very challenging even with technical and knowledge-based analysis by experts. Hence, investors have encountered challenge, doubt and fault in order to invest with mi...

Journal: :JAMDS 2009
Chen-Tung Chen Wei-Zhan Hung

The purpose of stock portfolio selection is how to allocate the capital to a large number of stocks in order to bring a most profitable return for investors. In most of past literatures, experts considered the portfolio of selection problem only based on past crisp or quantitative data. However, many qualitative and quantitative factors will influence the stock portfolio selection in real inves...

Esfandyar Malekian, Hossein Fakhari, Jamal Ghasemi Serveh Farzad

One of the most important methods of opacity accounting information by management is to accelerate the identification of good news versus delaying the identification of bad news on profits, but there is always a final level of accumulation of bad news in the company, and by reaching that its final level, these bad news will be released, which will lead to a Stock Price Crash Risk. In fact, stoc...

2012
Chien-Feng Huang Bao Rong Chang Dun-Wei Cheng Chih-Hsiang Chang

In the areas of investment research and applications, feasible quantitative models include methodologies stemming from soft computing for prediction of financial time series, multi-objective optimization of investment return and risk reduction, as well as selection of investment instruments for portfolio management, etc. Among all these, stock selection has long been identified as a challenging...

2007
Jiang Wang Ding Wu Olivier J. Blanchard

This dissertation consists of three chapters on financial market imperfections, in particular, information imperfections. Chapter 1 studies how the existence of a fixed cost per transaction faced by uninformed investors hampers information revelation through price and exacerbates adverse selection. The exacerbated adverse selection explains one long-standing puzzle in finance the momentum anoma...

Journal: :Journal of Empirical Finance 2003

Journal: :The Journal of Investment Strategies 2016

Journal: :تحقیقات نظام سلامت 0
سکینه رخشنده رو دکترای تخصصی آموزش بهداشت، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران علی رمضانخانی استاد آموزش بهداشت، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران یداله محرابی استاد آمار حیاتی، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران محتشم غفاری دانشیار آموزش بهداشت، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران

background: low consumption of fruit and vegetable among adolescents has been reported in several researches. skill has known as one of the determinants of this behavior. this study was conducted in order to survey tehranian adolescents’ skills related to fruit and vegetable consumption in 2013. methods: present research is a cross-sectional study (descriptive-analytic) that was carried out for...

2014
Leila Zamani Yoon K. Choi

The stock evaluation process plays an important role in portfolio selection because it is the prerequisite for investment and directly influences on the stock allocation. This paper presents a methodology based on Data Envelopment Analysis for portfolio selection, decision making units which can be stocks or other financial assets. First, DMUs efficiencies are computed based on input/output, an...

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