نتایج جستجو برای: asymmetric effects
تعداد نتایج: 1604108 فیلتر نتایج به سال:
Abstract The main purpose of this study is to explore the relationship between “direct and indirect taxes” and “inequality of income distribution” in Iran. So, we have used annual time series data of the direct taxes to GDP ratio, indirect taxes to GDP ratio, and the Gini coefficient during 1982-2014. The results of the threshold unit root tests with an asymmetric adjustment show that all va...
o bjectives: headgears are among the effective orthodontic appliances to achieve treatment goals. unilateral molar distal movement is sometimes needed during an orthodontic treat- ment, which can be achieved by an asymmetric headgear. different unilateral headgears have been introduced. the main goal of this study was to analyze the force system of uni- lateral expanded outer bow asymmetric hea...
Recently, quantile regression (QR) models are often applied for longitudinal data analysis. When the distribution of responses seems to be skew and asymmetric due to outliers and heavy-tails, QR models may work suitably. In this paper, a semi-parametric quantile regression model is developed for analysing continuous longitudinal responses. The error term's distribution is assumed to be Asymmetr...
Background: Changes in load during asymmetric holding may be associated with particularly high risk of loss of balance and spinal injury. Therefore, in order to assess occupational lesions and to make preventive rehabilitation programs in such conditions like holding dynamic loads in asymmetric postures could be important. Methods: In a cross-sectional study, COP amplitude and velocit...
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