نتایج جستجو برای: 2sls re

تعداد نتایج: 175836  

2003
Matthew Higgins Daniel Levy Jesse Hamner Nazrul Islam Joy Mazumdar

We use U.S. county-level data consisting of 3,058 observations, to study growth determination and measure the speed of income convergence. County-level data are particularly valuable for studying convergence because they allow us to study a sample with substantial homogeneity and exceptional mobility of capital, labor and technology without sacrificing the benefits of a large number of cross-se...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1387

در این پژوهش از روش pcr-elisa با استفاده از ژن re، برای تشخیص حساسیت و اختصاصی بودن و نیز سنجش کمی بار انگلی در خون 15 رت آلوده شده با توکسوپلاسما گونده ای سویه rh استفاده گردید. در این روش پرایمرهای اولیگونوکلئوتیدی برای هدف گیری ژن re مربوط به تاکی زوئیت به طول bp138 انتخاب شده و برای تکثیر dna توکسوپلاسما گونده ای، از فرایند pcr و نشاندار کردن هم زمان محصول بدست آمده از آن با دیگوکسی ژنین اس...

Journal: :Journal of risk and financial management 2022

This study investigates the relationship between various attributes of boards directors on bank performance in light Saudi corporate governance regulations. The data set this is extracted from annual reports all 12 banks listed Stock Exchange (Tadawul) over a period 10 years 2009 to 2018. To test hypotheses, check robustness results, and address potential endogeneity issues, applies different s...

Journal: :Social Science Research Network 2021

Instrumental variable (IV) strategies are commonly used in political science to establish causal relationships, yet the identifying assumptions required by an IV design demanding and it remains challenging for researchers evaluate their plausibility. We replicate 61 papers published three top journals from past decade (2011-2020) document several troubling patterns: (1) often miscalculate first...

Journal: :international journal of advanced design and manufacturing technology 0
aliakbar lotfi saeed daneshmand saeed adib nazari

in this study, as for the re-casting, surface alloying and re-solidification layer of this alloys at the work piece level machining with wire electro discharge machining (wedm), changes of surface micro hardness with changes of operational parameters has been studied. therefore, study shows using surface alloying phenomena with the diffusion of wire material into the machined surface and select...

Journal: :J Statistika 2022

Pertumbuhan ekonomi Produk Domestik Regional Bruto (PDRB) diidentikkan sebagai ukuran kesejahteraan masyarakat. Usaha mikro kecil (UMK) di Indonesia dapat menjadi pendukung dalam pertumbuhan karena UMK memiliki karakteristik positif sektor yang mampu menyediakan lapangan pekerjaan besar. Pengeluaran juga mempengaruhi PDRB, menunjukkan masyarakat memenuhi kebutuhan hidupnya. Jawa Timur salah sat...

Journal: :The American journal of clinical nutrition 2016
Maria C Borges Fernando P Hartwig Isabel O Oliveira Bernardo L Horta

BACKGROUND An understanding of whether homocysteine is a cause or a marker of increased blood pressure is relevant because blood homocysteine can be effectively lowered by safe and inexpensive interventions (e.g., vitamin B-6, B-9, and B-12 supplementation). OBJECTIVE The aim was to assess the causal influence of homocysteine on systolic and diastolic blood pressure (SBP and DBP, respectively...

2011
Giovanni Cerulli

This paper presents a new user-written STATA command called ivtreatreg for the estimation of five different (binary) treatment models with and without idiosyncratic (or heterogeneous) average treatment effect. Depending on the model specified by the user, ivtreatreg provides consistent estimation of average treatment effects both under the hypothesis of “selection on observables” and “selection...

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