Considering the level of development financial markets, their efficiency and economic growth rates, it is possible to draw conclusions about state national economies entire world economy as a whole. Given strategic importance for development, investors scientists have been considering, studying analyzing numerous models long period time in order determine vector stock market instruments. To thi...

This paper presents dynamic portfolio model based on the Merton's optimal investment-consumption model, which combines dynamic synthetic put option using risk-free and risky assets. This paper is extended version of methodological paper published by Yuan Yao (2012). Because of the long history of the development of foreign financial market, with a variety of financial derivatives, the study on ...

We propose an optimal consumption and investment model with asymmetric longterm/short-term tax rates for a small investor. We also consider both the case where an investor can get full tax rebate for capital losses and the case where the investor can only carry over capital losses. The full rebate case is a better model for low income investors while the carry over case is more suited for wealt...

This study investigates empirically the value investors place in excess cash holdingand how managerial ability impact on the value of cash holding for Iranianfirms from 2006 to 2014. In this research, managerial ability calculated by usingthe data envelopment analysis (DEA). Following the approach of Faulkender andWang, we find that the relation between managerial ability and value of cash hold...

New health technologies require development and evaluation ahead of being incorporated into the patient care pathway. In light of the recent publication by Lehoux et al who discuss the role of entrepreneurs, investors and regulators in providing value to new health technologies, we summarise the processes involved in making new health technologies available for use in the United Kingdom.

The purpose of this article is to review the results of research papers conducted in the area of foreign ownership impact on company's performance and to highlight the specifics of this linkage in the environment of transition economies. Several authors have documented greater efficiency of private companies compared to state-owned. According to different studies, an alternative option for tran...

This study aims at getting a better performance for optimal stock portfolios by modeling stocks prices dynamics through a continuous paths Levy process. To this end, the share prices are simulated using a multi-dimensional geometric Brownian motion model. Then, we use the results to form the optimal portfolio by maximizing the Sharpe ratio and comparing the findings with the outputs of the conv...