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Private versus öffentlcihe Müllabfuhr, nochmals betrachtet
Pommerehne, Werner W., (1983)
Economics of solid waste handling and government intervention
Gueron, Judith M., (1972)
Waste collection services : a survey of costs and pricing
Feldman, Stephen L., (1972)
Natural resource scarcity: empirical evidence and public policy
Johnson, Manuel H., (1980)
Deregulating labor relations
Heldman, Dan C., (1981)
Tax Reduction without Sacrifice: Private-Sector Production of Public Services
Bennett, James T., (1980)