نتایج جستجو برای: vector auto regressive model

تعداد نتایج: 2274964  

ژورنال: :پژوهشنامه اقتصادی 0

آزاد سازی تجاری و حذف عوامل مختل کننده قیمت ها موجب شکل گیری تولیدات بر پایه مزیت نسبی است. در این میان واردات و بخصوص واردات کالاهای واسطه ای- سرمایه ای می تواند منجر به تولید کالاهایی با کیفیت بالاتر در کشور از طریق رقابتی تر کردن صنایع شود؛ به عبارتی می توان گفت واردات می تواند نقش مؤثری در فرایند آزادسازی تجاری داشته باشد؛ لذا تجزیه و تحلیل تأثیر متغیرهای کلان اقتصادی بر واردات کالاهای مربو...

2016
HAIJUN REN Haijun Ren Xin Lei Ping Zhang

Wind speed forecasting can accurately improve prediction efficiency of wind power in wind farm, decrease failure probability of wind turbine, and extend life cycle. An innovative algorithm is proposed to optimize both the parameters of least squares support vector machine (LSSVM) and the procedure of finding sparse support vector. Firstly, the defects of support vector are analyzed. Then inequa...

2014
Lijing Yu Lingling Zhou Li Tan Hongbo Jiang Ying Wang Sheng Wei Shaofa Nie

BACKGROUND Outbreaks of hand-foot-mouth disease (HFMD) have been reported for many times in Asia during the last decades. This emerging disease has drawn worldwide attention and vigilance. Nowadays, the prevention and control of HFMD has become an imperative issue in China. Early detection and response will be helpful before it happening, using modern information technology during the epidemic....

Journal: :International journal of energy applications and technologies 2021

Some concern has been expressed over the continuous low production from Marginal oil field. This problem ascribed to multitude of hindrances occasioned by nature earth formation in zone. Attempts ascertain character or complexion such problems have often eluded researchers and operators study adopts use auto-regressive time series model find out root cause mechanism that generate high output ma...

Journal: :Academic Journal of Interdisciplinary Studies 2021

Export increases the total demand in society, which turn level of income and more through multiplier. This study investigates from an empirical point view determinants affecting Sudan’s exports during period (1977- 2018). The purpose was to identify interrelation between variables findings can be used for development economy. data obtained annual time series World Bank; input into Auto regressi...

Journal: :پژوهش های رشد و توسعه پایدار 0
کاظم یاوری دانشیار و عضو هیأت علمی گروه اقتصاد دانشگاه تربیت مدرس مهدیه رضاقلی زاده دانشجوی دکتری اقتصاد دانشگاه تربیت مدرس مجید آقایی دانشجوی دکتری اقتصاد دانشگاه تربیت مدرس

this article analyses the effects of foreign exchange commitment and exchange rate unification policies on iran’s non-oil exports during the last three decades. in addition, the effects of these policies on non-oil exports have empirically been estimated. for this purpose, an export supply model was estimated using the econometrics technique of auto regressive distributed lag (ardl) and reliabl...

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