//-->
Optimal bus subsidy and cross subsidy with a logit choice model
Tisato, Peter, (1998)
Capital subsidies and the infrastructure crisis : evidence from the local mass-transit industry
Cromwell, Brian A., (1989)
Urban public transport subsidies in Western Europe and North America
Pucher, John, (1988)
The political economy of immigration restrictions
Shughart, William F., (1986)
An interest-group theory of population growth
Kimenyi, Mwangi S., (1988)
Affirmative action and unemployment