This issue contains nine papers. Four of them refer to static spatial
econometrics (namely those written by Arbia et al., Seya, et al., Smirnov
and Egan and Yokoi and Ando)while the remaining 5 (namely those by
Baltagi et al., Bartkowska and Riedl, Cotteleer and Van Kooten, Hall and
Guo and Claeys et al.) conversely take an explicit panel data approach.
In what followswe briefly summarize the content of the various contributions
to this special issue.