Recently there have been many attempts to understand and measure the returns from information technology (IT) investments in public sector. Initially, most of the methodologies and models were based on traditional financial models. However, assessing the returns on government investments in IT poses important practical and research challenges. Scholars and practitioners that have embarked in IT...

We ask whether stock returns in France, Germany, Japan, the UK and the US are predictable by three instruments: the dividend yield, the earnings yield and the short rate. The predictability regression is suggested by a present value model with earnings growth, payout ratios and the short rate as state variables. We find the short rate to be the only robust short-run predictor of excess returns,...

explanation relation between risk and return and capital asset pricing are concepts which is appointed as dominator and major paradigms in capital markets. so far as after offering capm by sharp & lintner, this model has been revised and criticized frequently. in this paper another version of capm has been tested versus traditional capm in tehran stock exchange. this version of capm measures se...

According to the studies and comments of the experts, addiction is a difficult problem in our society. Nowadays, the most important issue related to addiction in our country is the second return of addicts to narcotic substances after once quitting them. In fact, this is the indication of failure or weak performance of addiction-therapy techniques, emphasizing on its physical aspect. However, a...