Zeynab Ramzi Radchobeh

Department of Accounting, Qazvin Branch, Islamic Azad University, Qazvin, Iran

[ 1 ] - Ambiguity Theory and Asset Pricing: Empirical Evidence from Tehran Stock Exchange

Modern portfolio theory is based on the relationship between risk and return and in this paper, specific uncertainty conditions are introduced as ambiguity which affects the asset pricing. Also, the relationship between risk, ambiguity and return is examined. First, ambiguity is estimated by the means of three-variable and main component method, trading volume, ask-bid spread, error of earnings...

[ 2 ] - Earnings Announcement Premium and Information Ambiguity

In today's investment world there is emphasis on the role of accounting information. Behavioral factors always play an important role in financial markets. All investors are not rational and their demand for riskiness of assets is influenced by their beliefs and feelings. Optimism, pessimism, self-confidence, ambiguity-aversion, etc. help changing the manner of decision-making process over time...

Co-Authors