1. Abraham, K.S. (1985) ‘Efficiency and fairness in insurance risk classification’, Virginia Law Review 71: 403–451.
2. Automobile Insurers Bureau of Massachusetts (1990–2003) Actuarial Notice: Subsidies in the Rates, Boston, MA: AIB.
3. Automobile Insurers Bureau of Massachusetts (1998) 1999 Private Passenger Automobile Insurance Rates, Class/Territory Relativities, Boston, MA: AIB.
4. Bartlett III, D.K., Klein, R.W. and Russell, D.T. (1999) ‘Attempts to socialize costs in voluntary insurance markets: The historical record’, Journal of Insurance Regulation 17: 478–511.
5. Blackmon Jr., B.G. and Zeckhauser, R. (1991) ‘Mispriced equity: Regulated rates for auto insurance in Massachusetts’, American Economic Review 81: 65–69.