aaccording to the trade-off theory, firm managers consider the transaction and precautionary motives to determine the optimal level of cash by comparing the benefits and costs of cash holdings. the purpose of this paper is to examine the impact of deviation from expected optimal cash on future stock returns among irans’s listed companies (tehran stock exchange). the analyses are performed by us...

Based on valuation model of residual earnings, we cannot use earnings and losses of balance sheet items recorded in fair value for valuation purposes, for the balance sheet provides a perfect estimate of such items’ value. The purpose of this study is to examine whether net financial expenses are related to the market price of stocks in Iran, because after initial recording of financial debts, ...

The most common starting point for investors when buying a stock is to look at the trend of price changes. In recent years, different models have been used to predict stock prices by researchers, and since artificial intelligence techniques, including neural networks, genetic algorithms and fuzzy logic, have achieved successful re-sults in solving complex problems; in this regard, more exploita...

Working capital management is an essential part of the short-term finance of a firm. With an efficient working capital management, a firm can release capital for more strategic objectives, reduce the financial costs, and improve profitability. The present research studies the relationship of working capital management on performance of firms Listed in Tehran Stock Exchange (TSE). Average Collec...

herd behavior by investors in capital markets is a behavioral bias that can cause to undesirable effects such as bubble, crash and high fluctuation in stock price. this anomalies can disturb the equilibrium relations in stock market and lead to market inefficiency. herd behavior is a condition that investors with rational or in rational reasons ignore private information and imitate from others...

A stock exchange is an entity which provides ‘‘trading’’ facilities for stock brokers and traders to trade stocks and other securities. How to invest in stock exchange is one of the important issues in investment, and one of the factors that can help investors in the process of investment is the efficiency of the corporation under consideration. Data envelopment analysis is a mathematical method...

There are different strategies for selecting stocks, and different investors use different strategies according to their risk tolerance or their expected rate of return. In this study, the profitability of a broad range of stock se-lection strategies in Tehran Stock Exchange over the period 1370-1383, has been examined, and it has been investigated whether the successful strategies in other cou...