National Commission on State Workmen s Compensation

The most general evaluation in recent years was put forward by The Report of the National Commission on State Workmen s Compensation Laws (1972). 

The National Commission on State Workmen s Compensation Laws recommended insurance providers experience rate WC premiums to the maximum extent feasible. Historically, WC insurers have not used the accident experience of a small establishment to determine the establishment s price of WC insurance. Instead, they have combined the injury statistics for all workers within an industrial class and determined a so-called manual rate for WC coverage. The product of each worker s wage rate and the manual rate for his or her industrial class summed over all workers determines the total WC insurance premium for a small firm. As firm size increases insurers pay less attention to the average experience of the industrial class (the manual rate) and more attention to the safety record of the individual firm. Experience rating of insurance policies refers to the process of adjusting insurance prices... 

Oi, W. Y. (1973). "An Essay on Workmen s Compensation and Industrial Safety." In Supplemental Studies for the National Commission on State Workmen s Compensation Laws, Vol. 1. Washington, DC U.S. Government Printing Office, 41-106. 

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