References
- Arora , S. and Gangopadhyay , S. 1995 . Toward a theoretical model of voluntary overcompliance . Journal of Economic Behavior and Organization , 28 : 289 – 309 .
- Arora , S. and Cason , T. 1996 . Why do firms volunteer to exceed environmental regulations? Understanding participation in EPA's 33/50 Program . Land Economics , 72 : 413 – 432 .
- Cairncross , F. 1992 . Costing the Earth , Cambridge, MA : Harvard University Press .
- Cropper , M. L. and Oates , W. E. 1992 . Environmental economics: a survey . Journal of Economic Literature , XXX : 675 – 740 .
- Gangadharan , L. 1998 . Analysis of prices in tradable emission markets: an empirical study of the regional clean air incentives market in Los Angeles , Mimeo University of Melbourne .
- Harringlon , W. 1988 . Enforcement leverage when penalties arc restricted . Journal of Public Economics , 37 : 29 – 53 .
- Salop , S. and Scheffman , D. 1983 . Raising rivals' costs' . American Economic Review (Paper and Proceedings) , 73 : 267 – 271 .