Written premium less deductions for commissions and ceded reinsurance.

The premiums received or due to an insurer less the cost of reinsurance but without allowance being made for the cost of any unexpired risk.

The yield on an investment after deduction of tax payable on the interest or dividend, or of the expenses of management in the case of property.

An HMO model that contracts with multiple physician groups. The physician groups are free to provide care for other individuals not covered by the HMO.