Liu, Shuangzhe; Polasek, Wolfgang; Sellner, Richard - Department of Economics and Finance Research and … - 2011
Estimators of spatial autoregressive (SAR) models depend in a highly non-linear way on the spatial correlation parameter and least squares (LS) estimators cannot be computed in closed form. We first compare two simple LS estimators by distance and covariance properties and then we study the...