نتایج جستجو برای: genetic algorithmauto regressive distributed lag total factors productivity agriculture iran

تعداد نتایج: 2679016  

پیکانی, غلامرضا , زارع, ابراهیم , چیذری, امیرحسین,

Malmquist index computed by data envelopment analysis approach was used to estimate the total factor productivity (TFP) growth in cotton production in Iran during 1983-2001. By dividing this index in the two components, technological change and technical efficiency change, two major factors of productivity growth in cotton production were analyzed. Data was obtained from production cost system ...

2012
K. P. Suresh G. Ravi Kiran K. Giridhar K. T. Sampath

The availability and efficient use of the feed resources in India are the primary drivers to maximize productivity of Indian livestock. Feed security is vital to the livestock management, extent of use, conservation and productivity enhancement. Assessment and forecasting of livestock feed resources are most important for effective planning and policy making. In the present study, 40 years of d...

Journal: :journal of water sciences research 2010
m.a bayat h babazadeh m manshouri

water use productivity is one of the most important factors in scientific agriculture. it is equal to 0. 7 kg of production per cubic meter of irrigation water (kg/m3) in iran which is very low in comparison with advanced countries (1 to 2 kg/m3). current research studies temporal and spatialchanges of water use productivity in hamedan province in iran using geographic information system (gis),...

Journal: :اقتصاد و توسعه کشاورزی 0
سیدصفدر حسینی محمدرضا پاکروان امید گیلانپور میلاد اتقائی

abstract protection policies in the agricultural sector is an inevitable necessity, its accomplish effects individuals welfare and economic sectors. protection policies account for a major economic strategy in agricultural sectors of developing and developed countries. applying ardl, the study investigates effects of protection policy in agricultural sector on total factor productivity of this ...

Journal: :تحقیقات اقتصادی 0
رحمان سعادت مرکز تحقیقات استراتژیک حدیث جودکی دانشگاه سمنان علیرضا عرفانی دانشگاه سمنان

exchange rate and national income of countries trading with each other are among the most important factors affecting each country's trade. considering the political and economic ties between iran and venezuela in recent years, the goal of this paper was to investigate the effect of exchange rate volatility on exports of iran to venezuela. data used in this research include annual data for...

ژورنال: :مدلسازی اقتصادی 0

مقاله ی حاضر کوششی به منظور بررسی تاثیر نوسانات قیمت نفت سبد اوپک بر تراز تجاری در اقتصاد ایران می باشد. در این راستا با به کارگیری یک الگوی 6 متغیره، به بررسی تجربی روابط بلندمدت وکوتاه مدت بین متغیرهای مورد بررسی برای دوره ی زمانی 1385-1346، بااستفاده از مدل خود توضیح با وقفه های گسترده[1](ardl) در اقتصاد ایران پرداخته شده است. نتایج حاصل از تخمین ضرایب الگو نشان می دهد که تغییرات قیمت نفت سب...

Journal: :اقتصاد پولی مالی 0
محمود هوشمند محمد دانش نیا

always, financial sector has a central role in development and economic growth. hence the relationship between financial development and economic growth appears to be essential. this article examines the impact of financial development on economic growth, with consider other variables affecting the economic growth, such as ratio of commercial, domestic investment and interest rate. this study e...

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...

Due to the structure of exchange rate regime in Iran and its dependence on oil revenues in recent decades, it is expected that exchange rate changes can be regarded as a consequence of major changes in oil price. In this regard, the exchange rate increases and decreases can influence the level of employment of firms by affecting the amount of their profitability, and of course, this kind of inf...

Journal: :Journal of Economic Studies 2023

Purpose To study the key determinants of chronically high inflation in Iran. Design/methodology/approach Relying on annual data from 1978 to 2019, authors employ an Auto-Regressive Distributed Lag (ARDL) model and Error Correction Model (ECM) inflationary effects monetary fiscal policies as well exchange rate swings sanctions intensification. Findings The find that increase money supply, deprec...

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