The purpose of this paper is to investigate the association between the intellectual capital of firms and their earnings quality. The Research was conducted with 158 accepted companies and 948 firm-year observations from Iran stock market. Empirical studies were conducted based on hypothesis by Value Added Intellectual Coefficient as measures of intellectual capital and taking absolute value of...

Raising domestic tax revenues is a priority for most sub-Saharan African countries. But the tax bases in most African countries are undermined by widespread tax avoidance and evasion. A new study from CMI supports the claim that improved knowledge about the tax system makes a difference in people’s willingness to pay tax. The study shows that exposure to Value-AddedTax (VAT) makes people take a...

This paper presents a dynamic model to demonstrate that, when di¤erences-of-opinion over individual securities have a common component, the valuation of the aggregate market can be higher than its fundamental even if all investors agree on the market fundamental, and the common disagreement drives discount rate news. Using analyst forecast dispersion to measure disagreement, I …nd empirical evi...

this paper studies the relationship between return and the bid-ask spread in tehran stock exchange. the research has been done according to amihud and mendelson’s model (1986). it should be mentioned that portfolio beta and size are added as explanatory variables into the model. the study period is from day 1382 to tir 1389. based on the pooling of cross section and time series data used to est...