1. Acs, G., Winterbottom, C. and Zedlewski, S. (1992). Employers' payroll and insurances costs: Implications for play or pay employer mandates. In Health benefits and the workforce, pp. 195–230. Washington, DC: U.S. Department of Labor, Pension and Welfare Benefits Administration.
2. Bitler, M. P. and Carpenter, C. (2011). Insurance mandates and mammography. National Bureau of Economic Research Working Paper 16669. Cambridge, MA: National Bureau of Economic Research.
3. Health insurance mandates in the states 2010;Bunce,2010
4. The incidence of mandated maternity benefits;Gruber;American Economic Review,1994
5. State mandated benefits and employer provided health insurance;Gruber;Journal of Public Economics,1994