The Economic Performance of Portuguese Museums
Paulo Carvalho, José Costa, Armindo Carvalho
vol. , 2014, p. 12-37.

Is There Yardstick Competition among Portuguese Municipalities?
José Costa, Armindo Carvalho, Maria Luísa Coimbra
vol. , 2011, p. 33-62.

Local Governments in Portugal
José Costa
vol. 9, 2008, p. 55-74.