نتایج جستجو برای: and stock

تعداد نتایج: 16837237  

Among the various species of small pelagic fish, Sardinella sindensis (Day ,1878) has high economic and ecological importance and is one of the most important species exploited by fishermen. In recent years, the catch rate of this species has increased, and due to the limited data available on its stock in southern waters, it is not possible to use models based on the complementary data to asse...

After the recent financial crisis, especially the financial crisis 2008, This raises the important question of what is the role of monetary policy in occurrence and  prevention of the financial  instability? so, this paper investigate the dynamics impact of monetary policy on the stock market returns and instability using Structural Vector Autoregression (SVARs) model During the period  1992:q2...

Journal: :تحقیقات اقتصادی 0
شاپور محمدی دانشیار دانشکده مدیریت دانشگاه تهران هستی چیت سازان مدرس دانشکده‎ی کارآفرینی دانشگاه تهران

in this paper, we have estimated the memory of thetehran stock exchange indices. the estimation of fractional differencing parameter is carried out by various methods such as mle, nls, hurst exponent, gph, lo, whittle and wavelet. the estimation results of whittle, wavelet, hurst, and lo methods allow us to conclude that the returns on stock indices (tepix, tedpix, tedix, financial index and in...

Explaining dividend policy has been one of the most difficult challenges facing financial economists. Despite decades of study, we have yet to completely understand the factors that influence dividend policy and the manner in which these factors interact.The aim of this paper is to examine the relation between dividend policy and share price volatility in Tehran Stock Exchange (TSE). The analys...

Journal: Iranian Economic Review 2016
Behnam Najafzadeh Mohammadreza Monjazeb, Siab Mamipour,

S tock returns of companies listed on the stock exchange is one of the most important criteria in assessing the macroeconomic. This study investigates the effect of exchange rate Volatility on the stock exchange Returns of D8 countries. It takes monthly data during the period (2008:1-2015:6) constituting 90 observations. At first we used Panel-GARCH model to estimate Exchange Rate Vo...

زهره حاجیها, محمدرضا ابراهیمی

این مقاله به بررسی تاثیر نوع اظهارنظر و بهبود در اظهارنظر حسابرس بر قیمت و حجم معاملات سهام شرکت­های پذیرفته شده در بورس اوراق بهادار تهران پرداخته است. نوع اظهارنظر و میزان تغییر در آن به عنوان اخبار خوب و بد در مورد شرکت در نظر گرفته شده است. نمونه آماری شامل 75 شرکت می­باشد. روش آماری برای آزمون فرضیه­ها، رگرسیون داده­های تابلویی است. برای کمی کردن بهبود در اظهارنظر حسابرس، از روش لی و وو (2...

B. Sivakumar G. Arivarignan M. Rajkumar

We consider a two-echelon single commodity inventory system with one warehouse(supplier) at the higher echelon and one retailer at the lower echelon. The retailer stocks individual items of a commodity and satisfies unit demands which occur according to a Poisson process. The supplier stocks these items in packets and uses these packetsto: (i) satisfy the demands that occur for single packet an...

M. A. Aghaei, M. Moradzadeh fard, N. Mousazadeh Abbasi,

The goal of this research is to predict total stock market index of Tehran Stock Exchange, using the compound method of ARIMA and neural network in order for the active participations of finance market as well as macro decision makers to be able to predict trend of the market. First, the series of price index was decomposed by wavelet transform, then the smooth's series  predicted by using...

Amirhossein Amiri Azam Goodarzi Farhad Mehmanpazir Shahrokh Asadi Shervin Asadzadeh

The stock market has always been an attractive area for researchers since no method has been found yet to predict the stock price behavior precisely. Due to its high rate of uncertainty and volatility, it carries a higher risk than any other investment area, thus the stock price behavior is difficult to simulation. This paper presents a “data mining-based evolutionary fuzzy expert system” (DEFE...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید