This paper deals with the estimation of unequally spaced panel data regression models with AR~1! remainder disturbances+ A feasible generalized least squares ~GLS! procedure is proposed as a weighted least squares that can handle a wide range of unequally spaced panel data patterns+ This procedure is simple to compute and provides natural estimates of the serial correlation and variance compone...

abstract governments in regional and national level try to improve economic and productivity growth by different polices. the being aware of effective factors in national and regional economic and productivity growth is essential for government success. in this paper, to being of aware determinant factors in productivity inequality, we use decomposition approach and econometric estimation for 2...

human capital has important role on economic growth. this factor can increase labor and capital productivity. it can increase capacity of new technology and reduce criminal participation and improve voters’ political behavior and migration of people with high human capital to another region has effects on region and spatial spillover on other regions. the present study aimed to analyze the dire...

Based on Chinese provincial panel data (2011–2020), the CRITIC-EWM, kernel density estimation, Dagum Gini coefficient and a spatial Dubin model were used for analyzing endogenous exogenous factors to enhance grain supply chain resilience. The results illustrated following: (1) Ensuring resilience of chain’s ability digest, recover learn was fundamental internal system robustness. (2) Overall, C...

transport infrastructure is an important factorforthe spatialdistribution ofgoods, services andinnovationswithinand between regions, and also an important factorin locating andestablishingbusinessesinthe region. this research aims to analyze the effects of transportation infrustructure on industrial concentration in the iranian provinces. for this aim, we have specified econometrics models and ...