نتایج جستجو برای: طبقهبندی jel c01

تعداد نتایج: 27750  

ژورنال: تحقیقات اقتصادی 2013
سپهر مقاره عابد غلامرضا کشاورز حداد

بحران مالی 2008 آمریکا، در نیمه‌ی دوم سال 2008 موجب کاهش بازده و افزایش تلاطم‌های شاخص‌های بازارهای بین‌المللی سهام شده است، ولی اثر سرایت آن در بازار سهام ایران همواره مورد بحث و مناقشه بوده است. تحریم­ها و محدود بودن جریان گردش سرمایه‌ی بین­المللی به بازار سهام ایران، شرایط منحصر به فردی را در این بازار به وجود آورده است. در این پژوهش اثر سرایت بحران جهانی از مسیر شاخص‌های بین­المللی S&P500 و...

Journal: :Journal of the American Society of Nephrology : JASN 2016
Onur Cil Peter M Haggie Puay-Wah Phuan Joseph-Anthony Tan Alan S Verkman

Pendrin is a Cl-/HCO3- exchanger expressed in type B and non-A, non-B intercalated cells in the distal nephron, where it facilitates Cl- absorption and is involved in Na+ absorption and acid-base balance. Pendrin-knockout mice show no fluid-electrolyte abnormalities under baseline conditions, although mice with double knockout of pendrin and the Na+/Cl- cotransporter (NCC) manifest profound sal...

2002
François Bourguignon

An identity links the rate of economic growth, the speed of poverty reduction and changes in the distribution of income during some time period in a given country. A few authors used that identity to understand the causes for observed changes in poverty and to identify the exact role of economic growth in poverty reduction. Yet, many empirical cross-country studies of the relationship between g...

Journal: :تحقیقات اقتصادی 0
شاپور محمدی استادیار دانشکده‎ی مدیریت دانشگاه تهران حامد طبسی دانشجوی دکتری مدیریت مالی دانشکده‎ی مدیریت دانشگاه تهران

in this paper using catastrophe theory, we investigate non-smooth changes in tehran stock exchange. stock market crashes bring not only panic among investors, but also in deeper market lead to recession and decrease in consumer's confidence. as catastrophe theory is strong tool in explaining nonlinear phenomena, by applying stochastic cusp catastrophe model we examine sudden change in tehr...

Journal: :تحقیقات اقتصادی 0
حمید آماده دانشگاه علامه طباطبایی مرتضی قاضی زهره عباسی فر

energy as an important production factor has significant effects on economic growth. identifying the relationship between energy and economic growth can help to improve governmental energy policies. applying ardl and ecm methods, this paper examines the longrun and shortrun causality relationships between (1) energy consumption and economic growth and (2) energy consumption and employment in va...

Journal: :تحقیقات اقتصادی 0
ُسید حمید رضا اشرف زاده عضو هیأت علمی مؤسسة مطالعات و پژوهش‎های بازرگانی مهران نصیرزاده عضو هیأت علمی دانشگاه آزاد اسلامی واحد آستارا

this paper investigates the effects of globalization, (export+import)/gdp, tariffs, total factor productivity and per capita capital stock on industrial profitability. we employ the price-wage gap as a proxy for profitability. data used has been made of pooled mean group estimation of dynamic heterogeneous panel, a technique recently developed in dynamic panel data literature. our results show ...

Journal: :CoRR 2012
Arun Chandrasekhar Matthew O. Jackson

We define a general class of network formation models, Statistical Exponential Random Graph Models (SERGMs), that nest standard exponential random graph models (ERGMs) as a special case. We provide the first general results on when these models’ (including ERGMs) parameters estimated from the observation of a single network are consistent (i.e., become accurate as the number of nodes grows). Ne...

Journal: :Open Agriculture 2023

Abstract The antifungal activity of Trichoderma hamatum K01 to control Colletotrichum gloeosporioides C01 was recorded. Pathogenicity C. on citrus leaves confirmed by the Koch postulate. T. inhibited colony growth and conidia production 70.55 79.07%, respectively. Crude extracts from expressed an against C01. crude TK01-MeOH showed most potent inhibitory effect at ED 50 values 273 355 ppm, Nano...

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