We investigate here the agglomeration of spatial clubs in an efficient allocation of a club economy. The literature on agglomeration has focused largely on a primary agglomeration caused by direct attraction forces. We concentrate mainly on secondary and tertiary agglomerations caused by a...

Space matters not only by inducing transport costs but also by mitigating pollution damages. Previous models of pollution either disregard space altogether or presume a predetermined separation between polluters and pollutees. In our model, workers commute to factories and all possible location...