نتایج جستجو برای: we have examined 98 firms of tehran stock exchange over a period 1377

تعداد نتایج: 23401988  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1387

the outcome of this research is a practical framework for “idea generation phase of new product development process based on customer knowledge”. in continue, the mentioned framework implemented in a part of iran n.a.b market and result in segmenting and profiling this market. also, the critical new product attributes and bases of communication message and promotion campaigns extracted. we have...

The present study is intended to examine the effect of accounting conservatism on firms’ non-profitability in Tehran Stock Exchange in 48 unprofitable firms and 57 profitable firms over a period of seven years from 2001 to 2007. This study was conducted according to Givoly and Hayn model to measure accounting conservatism index in non-profitable and profitable) firms. Data analysis performed wi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 0

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...

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, ...

Stock trend forecasting is a one of the main factors in choosing the best investment, hence prediction and comparison of different firms’ stock trend is one method for improving investment process. Stockholders need information for forecasting firm’s stock trend in order to make decision about firms’ stock trading. In this study stock trend, forecasting performs by data mining algorithm. It sho...

Hossein Jokar, Kazem Shamsaddini Vahid Daneshi

The purpose of the present study is to investigate the effect of behavioral variables on overconfidence in management, herding behavior and investors' emotional tendency on stock return. To this end, by using the data of firms listed in the Iran's Stock Exchange during the seven-year period of 2010-2016, overconfidence index in management, the herding behavior of the investors and the emotional...

The Managerial learning hypothesis suggests that managers can learn the stock price informativeness of their stock company stock, which can help improve their decision-making efficiency. According to Managerial learning hypothesis, the stock price informativeness can affect the Labor investment efficiency, since stock prices contain valuable information that managers have about the company's fu...

Journal: :advances in mathematical finance and applications 0
adel azar faculty of management & economics , university of tarbiat modares , tehran, iran mohsen hamidian faculty of economics & accounting , university of islamic azad south tehran, tehran, iran maryam saberi faculty of management & economics , university of tarbiat modares , tehran, iran mohammad norozi faculty of economics & accounting , university of islamic azad south tehran, tehran, iran

portfolio theory assumes that investors accept risk. this means thatin the equal rate of return on the two assets, the assets were chosenthat have a lower risk level. modern portfolio theory is accepted byinvestors who believe that they are not cope with the market. sothey keep many different types of securities in order to access theoptimum efficiency rate that is close to the rate of return o...

Increasing the regulatory environment and expanding the scope of the regulatory standards for financial reporting has, over the past few years, reduced the cost of representation and information asymmetry and increased the level of corporate disclosure of corporate financial statements. But one of the endogenous dimensions of quality that prevents the disclosure of financial statements is a mat...

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