Errors in variables and spatial effects in hedonic house price models of ambient air quality -- A generalized method of moments estimator for a spatial model with moving average errors, with application to real estate prices -- Spatial analysis of urban growth in Spain, 1900-2001 -- A class of spatial econometric methods in the empirical analysis of clusters of firms in the space -- A spatially filtered mixture of ?-convergence regressions for EU regions, 1980-2002 -- Spatial shift-share analysis versus spatial filtering: an application to Spanish employment data -- R&D spillovers and firms' performance in Italy Evidence from a flexible production function -- The impact of decentralization and inter-territorial interactions on Spanish health expenditure -- Regional evidence on financial development, finance term structure and growth -- Convergence in per-capita GDP across European regions: a reappraisal -- Locational choice and price competition: some empirical results for the austrian retail gasoline market -- Dynamic spatial modelling of regional convergence processes -- Spatial and supply/demand agglomeration economies: State- and industry-linkages in the U.S. food system.