A new approach to optimizing or hedging a portfolio of nancial instruments to reduce risk is presented and tested on applications. It focuses on minimizing Conditional Value-at-Risk (CVaR) rather than minimizing Value-at-Risk (VaR), but portfolios with low CVaR necessarily have low VaR as well. CVaR, also called Mean Excess Loss, Mean Shortfall, or Tail VaR, is anyway considered to be a more co...

This study examines the comparison of stock performance as measured using return and risk portfolios ethical non-ethical companies on Indonesia Stock Exchange. Portfolio formation a single index model during 2016-2019. The data analysis technique uses an independent sample t-test with significance level 5%. results showed that there were no differences in portfolio risk. average is 0.22% for st...

Portfolio selection is one of the most important and vital decisions that a real or legal person, who invests in stock market should make. The main purpose of this paper is the determination of the optimal portfolio with regard to stock returns of companies, which are active in Tehran’s stock market. For achieving this purpose, annual statistics of companies’ stocks since Farvardin 1387 until E...

in this research, role of accruals in elaboration of quality of earning of the companies accepted in mumbai stock exchange has been studied and relationship between quality of earning through accruals and its constituents and abnormal stock return has been studied. the studied sample includes 35 companies in group a of mumbai stock exchange in 2009-2013.fordata analysisandhypothesistesting mult...

According to the adverse consequences that are brought by financial distress for companies, economy and financial –monetary institutions, the use of methods that can predict the occurrence of financial failure and prevent the loss of wealth is of great importance. The major models of credit risk assessment are based on retrospective information and using the methods which use the updated market...

stock selection criteria play a key role in contrarian portfolio construction. the usual approach is applying cumulative return as stock selection criteria however applying this criterion leads to ranking stocks without considering investment risk. in this study, we analyze contrarian strategies that are based on reward–risk stock selection criteria in contrast to ordinary contrarian strategies...

A curious ownership structure is found in Northern Europe – foundations that own and operate business companies. The foundations are non-profit entities, they have no members and no owners, and they cannot be dissolved, but regard it as a goal in itself to run a business. In many cases these entities control more than 50% of the votes in successful international companies such as Carlsberg and ...

Recent studies show that individual investors tend to speculate on stock markets and hold shares with a lottery-like return. For this speculation of people have a significant impact on stock returns, individual investors must trade the same shares with the same time. The purpose of this study was to investigate the effect of the speculative bubble on the stock returns of companies in Iran. Foll...

Dividend policy has long been an issue of interest in the financial literature. To date, a number of studies published on agency costs and dividend policy but most of them are on developed markets, It is well known that the emerging markets are quite different from developed markets in all respects. So, the existing published evidence is of limited relevance in identifying the influence of agen...