1. Why Do We Recycle? Markets, Values, and Public Policy;Ackerman,1997
2. Mixed signals: market incentives, recycling, and the price spike of 1995;Ackerman;Resour. Conserv. Recycl.,2002
3. Public policies toward the use of scrap materials;Anderson;Am. Econ. Rev.,1977
4. Tax policy and secondary material use;Anderson;J. Environ. Econ. Manag.,1977
5. Econometric Analysis of Panel Data;Baltagi,1995