information asymmetry in stock market can increase the risk of investment which in turn increases the capital cost of firms. bhattacharya (1979) proposed a hypothesis that states dividend can act as a powerful signal in order to solve information asymmetry problem. we measured information asymmetry by lack of earnings transparency. therefore we examine the effect of earnings transparency on cap...

Information asymmetry in stock market can increase the risk of investment which in turn increases the capital cost of firms. Bhattacharya (1979) proposed a hypothesis that states dividend can act as a powerful signal in order to solve information asymmetry problem. We measured information asymmetry by lack of earnings transparency. Therefore we examine the effect of earnings transparency on cap...

the main objective of this paper is to investigate the effect of innovation on the market share instability in the iranian food and drinking industry with a 4- digit code. according to schumpeter that states one of the most important hypothesis in this area, says there are a non-linear and an inverse of u-shaped relationship between the two variables of innovation and market share instability. ...

the study of entrepreneurial orientation concept and codifying a proper strategy to improve the performance of companies has a great importance as the companies have allocated more product market share to themselves by representing new and unique products according to customers’ requirements. the purpose of this study is to examine the impact of entrepreneurial orientation and competitive strat...

common stock is the most important and popular instrument in our capital market. every day, large volumes of stocks are traded on the tehran stock exchange and their ownership is transferred from one investor (natural or fictitious persons) to others. 'sales' is the term commonly used for this act in capital market and among investors. our hypothesis is that the common stocks could be...

This paper provides a review of the Fractal Market Hypothesis (FMH) focusing on financial times series analysis. In order to put FMH into broader perspective, Random Walk and Efficient Hypotheses are considered together with basic principles fractal geometry. After exploring historical developments associated different hypotheses, an overview mathematical modelling is provided. The principal go...