To prevent an insured from earning a higher income than if he or she were...

Disability income insurance policies includebenefit limitsto prevent insured individuals from receiving more income while disabled than they would earn if actively working. Pennsylvania Accident and Health Insurance materials explain that benefit limits cap the amount of monthly disability benefits, usually expressed as a percentage of the insured’s pre-disability earnings, commonly around 60%.

Waiting periods determine how long the insured must wait before benefits begin, deductibles apply primarily to medical expense policies, and coinsurance relates to shared cost arrangements in health insurance. None of these mechanisms directly address income replacement limits.

Benefit limits are a critical underwriting control designed to reduce moral hazard and discourage malingering. Pennsylvania-approved study guides emphasize that disability insurance is intended to replace a portion of lost income, not to provide a financial advantage. Therefore, option D is the correct and verified answer