نتایج جستجو برای: regressive conditional hetroscedasticity
تعداد نتایج: 62799 فیلتر نتایج به سال:
تورم از جمله پدیده های مضر اقتصادی است که اثرات زیان باری بر کل اقتصاد یک کشور بر جای می گذارد. اما اکثر اقتصاددانان معتقدند که عمده ترین زیان های ناشی از تورم از طریق ایجاد نااطمینانی تورم است. نااطمینانی تورمی از طریق اثرهای ex-ante و ex-post بر روی متغیرهای حقیقی تأثیر گذاشته و از این کانال زیان های زیادی بر کل اقتصاد بر جای می گذارد. هدف این مطالعه آزمون این فرضیه است که نااطمینانی تورم بر...
abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...
Thresholding based method for rainy cloud detection with NOAA/AVHRR data by means of Jacobi iteration method is proposed. Attempts of the proposed method are made through comparisons to truth data which are provided by Japanese Meteorological Agency: JMA which is derived from radar data. Although the experimental results show not so good regressive performance, new trials give some knowledge an...
Abstract: In this paper a new algorithm to identify Auto-Regressive Exogenous Models (ARX) based on Twin Support Vector Machine Regression (TSVR) has been developed. The model is determined by minimizing two ε insensitive loss functions. One of them determines the ε1-insensitive down bound regressor while the other determines the ε2-insensitive up-bound regressor. The algorithm is compared to S...
the regressive nature of consumption taxes poses a challenge to partisan theory. using data for up to 20 oecd countries in the period 1970-2003 this article aims to explore the question of whether the idea that social democratic governments typically have to compromise on policy goals and core constituency interests to make themselves more appealing to the median voter necessitates the use of r...
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