نتایج جستجو برای: dynamic panel data model

تعداد نتایج: 4253479  

2007
CARLOS LAMARCHE Roger Koenker Todd Elder Kevin Hallock Darren Lubotsky Dan Bernhardt

Abstract. Angrist et al. (2002) study is reconsidered using a relatively new quantile regression approach for panel data models. The evidence suggests that the effect of winning a Colombian voucher is largest in the lower tail of the educational attainment distribution, a possibility that was conjectured by the original authors, but could not be confirmed empirically using existing regression m...

2007
Timothy Halliday

We investigate the impact of exogenous income fluctuations on health using twenty years of data from the Panel Study of Income Dynamics. To unravel the impact of income on health from unobserved heterogeneity and reverse causality, we employ techniques from the literature on the estimation of dynamic panel data models. Contrary to much of the previous literature on health and socio-economic sta...

2006
Watu Wamae Keld Laursen

This paper argues that actual technological spillovers are not substantial in developing countries because of the absence of an absorptive capacity. We carry out a panel data analysis in an attempt to gain insight into the specific aspects that enable economies to benefit from the backlog of existing knowledge. Our findings indicate that low productivity effects of human capital coupled with we...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات 1394

abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...

2009
Matthew Harding Carlos Lamarche

Article history: Received 7 August 2008 Received in revised form 23 April 2009 Accepted 28 April 2009 Available online 5 May 2009

2013
Yongfu Huang

This paper examines whether foreign aid, together with other economic, social and environmental factors, contributes to sustainable development. It starts with a theoretical model where sustainable development is modelled as a different kind of growth that protects the environment. Using factor analysis and newly developed estimation methods for a dynamic panel data model with endogenous regres...

Journal: :Information & Management 2005
Wesley Shu Paul A. Strassmann

While many studies have affirmed the contributions of information technology (IT) to business value, people are not convinced. So far IT in the service industry has not yet been seen to be more productive. The data in most previous studies either focus on specific industries or exclude financial industry data. As such, the need to do an analysis on IT productivity in the service industry is imm...

2008
Tze Leung Lai Dylan S. Small Jia Liu

T.W. Anderson and his collaborators have made seminal contributions to inference with instrumental variables and to dynamic panel data models. We review these contributions and the extensive economic and statistical literature that these contributions spawned. We describe our recent work in these two areas, presenting new approaches to (a) making valid inferences in the presence of weak instrum...

2008
Antonio F. Galvao Roger Koenker Luiz Lima Shinichi Sakata

This paper studies estimation and inference in a quantile regression dynamic panel model with fixed effects. Panel data fixed effects estimators are typically biased in the presence of lagged dependent variables as regressors. To reduce the dynamic bias in the quantile regression panel data model I develop an instrumental variables approach that employs lagged regressors as instruments. I show ...

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