نتایج جستجو برای: روش 2sls
تعداد نتایج: 369887 فیلتر نتایج به سال:
The study aims to look into the effect of electricity, energy, and natural resource rent on Foreign Direct Investment (FDI). Panel data from 198 countries was compiled for period 1990 2018. OLS, POLS, DK, 2SLS, GMM models are used in this study. In all models, we discovered that access energy is positively related with FDI. except POLS GMM, intensity level primary green power output had a signi...
در این مطالعه، ارتباط بین کارایی مقیاس و تمرکز صنعتی در 22 صنعت مواد غذایی و آشامیدنی در ایران، برای سال های 1376- 1386، بررسی میگردد. در این راستا، ابتدا کارایی مقیاس و سپس تمرکز صنعتی، با استفاده از شاخص هرفیندال- هیرشمن، محاسبه شده است. هم چنین رابطه علیت میان دو متغیر کارایی مقیاس و تمرکز، با استفاده از آزمون علیت گرنجر، مشخص شده است. نتایج نشان دهنده آن است که یک علیت یک طرفه از متغیر تمر...
هدف: هدف پژوهش حاضر تعیین نقش واسطهای اجتناب تجربی و دشواریهای تنظیم هیجان در رابطه بین سازوکارهای دفاعی با افکار خودکشی نوجوانان بود. روش: از نوع توصیفی- همبستگی جامعه آماری این شامل تمام شهر کرج پاییز سال 1398 بود که میان آنها به روش نمونه گیری دسترس مناطق آموزشی 3 7، 270 نوجوان 15 تا 18 (125 پسر 143 دختر) انتخاب شدند. ابزار پرسشنامه دفاعی-40 آندروز همکاران (۱۹93) (DSQ-40)؛ دشواری گراتز ...
In this paper, we revisit the relationship between governance and human development in Africa during period 2010-2019 taking into account existence of spatial dependence controlling endogeneity problem through a Generalized Spatial Two Stage Least Squares (2SLS). The exploratory data analysis reveals quality. Our empirical findings support that Africa, “good fences make good neighbours” or prox...
This research is aim to get a better understanding of the impact migration on welfare migrants in Indonesia. Using Instrumental Variable 2sls (IV) and IV probit, this study finds that has positive effect income. Nevertheless, it was discovered increases likelihood children being unhealthy causes schooling be interrupted when they should high school. migration's potential detrimental influence h...
In this paper we provide further results on the properties of the IV estimator in the presence of weak instruments.We begin by formalizing the notion of weak identi ̄cation within the local-to-zero asymptotic framework of Staiger and Stock (1997), and deriving explicit analytical formulae for the asymptotic bias and mean square error (MSE) of the IV estimator. These results generalize earlier ̄n...
The paper analyses the impact of geographic innovation on Total Factor Productivity (TFP) in Taiwan in 2001 using 242 four-digit standard industrial classification (SIC) industries. We compute TFP by estimating Translog production functions with K, L, E and M inputs, and measure the geographic innovative activity using both Krugman's Gini coefficients and the location Herfindahl index. We also ...
The endogeneity of optimum currency areas criteria has been widely studied since Frankel and Rose (1998) seminal paper. Literature normally suggests that there is a positive relationship between trade and business cycles correlation. This paper develops work on this subject (Silvestre and Mendonça, 2007) where we confirm this hypothesis in euro area countries and UE-15 for 1967-2003 period usin...
This paper examines the unexplored link between the prevalence of overweight and obesity and vehicle demand in the United States. Exploring annual sales data of new passenger vehicles at the model level in 48 U.S. counties from 1999 to 2005, we find that new vehicles demanded by consumers are less fuel-efficient on average as a larger share of people become overweight or obese. The OLS results ...
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