The purpose of this paper is to provide that the explanation of excessive volatility can be only done through an attentive description of the psychological aspects of the investors. Our interest is carried in particular to the overconfidence bias. Our objective in this study is to identify...

This paper examines the dynamics of stock prices adjustment to fundamental value proxied by dividend per share and earnings per share on the Tunisian stock market based on the cointegration techniques. First, the linear cointegration between stock prices and fundamental values is examined by...