This paper addresses parameter estimation of spatial regression models incorporating spatial lag. These models are very important in spatial econometrics, where spatial interaction and structure are introduced into regression analysis. Because of spatial interactions, observations are not truly...

With the continuous development and iteration of telecommunication technology, the users' requirements of the quality and service have increased dogmatically. In order to meet the diverse and personalized consumer demands, virtual network operators came into being. In 2013, China officially...

On-farm agricultural biodiversity conservation has long been recognized as a fundamental resource to the maintenance of ecologic and economic functions. Among the factors affecting biodiversity, institutional failures at different scales are reported as potential causes of biodiversity loss both...