This paper employs a general non-linear analysis tool to analyse the nature of time series associated with the price (returns) of a particular company in Tehran Stock Exchange. It is shown that the behavior of the process associated with the price (returns) time-series of this company is weakly chaotic, and due to the non-random behavior of the process, short term prediction of stock price is p...

   Evaluate the performance of companies on the Stock Exchange using non-parametric methods is very important. DEA and DEA-R with the strategies for piecewise linear frontier production function and use of available data, assess the stock company. In this study, using a neural network algorithm DEA and DEA-R is suggested to classify the first companies in the stock exchange; Secondly, using the...

This paper employs a general non-linear analysis tool to analyse the nature of time series associated with the price (returns) of a particular company in Tehran Stock Exchange. It is shown that the behavior of the process associated with the price (returns) time-series of this company is weakly chaotic, and due to the non-random behavior of the process, short term prediction of stock price is p...

the ceo as the highest executive official is considered as the honest person of the company and he manages the company as its representative. in the same line, he is bound to take into account the shareholders' interests and expediency of the company. one of the issues that may cause the ceo to disregard such honesty and therefore prefer his personal benefits over those of the company is d...

The Rodney L. White Center for Financial Research is one of the oldest financial research centers in the country. It was founded in 1969 through a grant from Oppenheimer & Company in honor of its late partner, Rodney L. White. The Center receives support from its endowment and from annual contributions from its Members. The Center sponsors a wide range of financial research. It publishes a work...

Economic theory suggests that the magnitude and direction of a company’s currency risk exposure depends crucially on its fundamental involvement in international trade. For US industries, we find that the stock performance of an import-oriented company moves positively with the performance of the dollar, but the stock performance of an export-oriented company tends to move against the dollar. B...