Promoting Public Transit in Urban Areas with Incentives and Commitment
Bachman, W. , & Katzev, R. (1982). The effects of non-contingent free bus tickets and personal commitment on urban bus ridership. Transportation Research, 16A, 2, 103-108.
Only Pay For What You Throw Away: Three Different Approaches to Waste Disposal
Biocycle (1989) February Issue, pp.39-41.
Michigan's Mandatory Deposit Legislation
The Environment Goes to Market: The Implementation of Economic Incentives for Pollution Control. National Academy of Public Administration, 1994. Pg.138-159.