1. Parents' discount rates for child quality;Agee;Southern Econ. J.,1996
2. The abbreviated injury scale 1985;Association for the Advancement of Automotive Medicine,1985
3. The economic cost of motor vehicle crashes, 1990;Blincoe,1992
4. Statistical Abstract of the United States;Bureau of the Census,1994
5. Rates of time preference for saving lives;Cropper;Am. Econ. Rev.,1992