//-->
Wettbewerb statt Privatisierung: Auslandserfahrung für die deutsche Entwicklung
Loheide, Johannes, (2000)
The decision to contract out : an empir. analysis
Ferris, James M., (1986)
The decision to contract out city services : a further explanation
Morgan, David R., (1988)
Demands for public spending : an attitudinal approach
Ferris, James M., (1983)
Interrelationships among public spending preferences : a micro analysis
Ferris, James M., (1985)