Underwriting purpose and adverse selection

Why insurers underwrite

Underwriting is the process of evaluating an application, selecting risks, and determining an appropriate risk classification and terms within the rules for that product. Its purpose is to match expected losses with appropriate premiums and maintain a sustainable insurance pool. It cannot eliminate uncertainty or guarantee a profit.

For individually underwritten life insurance, the insurer may consider health information, occupation, avocations, and the amount of coverage requested. The application is a starting point; additional records or examinations may be needed. The producer collects complete, accurate information and reports relevant observations. The insurer's underwriter makes the underwriting decision.

Adverse selection

Adverse selection is the tendency for people with a higher likelihood of loss to seek or retain more insurance than people with a lower likelihood of loss, especially when the premium does not reflect that difference. Applicants may know more about their own risk than the insurer does. Deliberate dishonesty is not required.

Imagine two groups shopping for individually underwritten life insurance. One has substantially higher expected mortality than the other. If both can buy at a price based on the lower-risk group, higher-risk buyers may purchase disproportionately. The insurer's actual pool then has higher expected claims than its pricing assumed.

Information, classification, and decisions

Underwriting reduces this information gap. Depending on the product and applicable law, an insurer may accept an applicant at standard rates, offer a preferred class for lower expected risk, charge a substandard rate for higher expected risk, postpone a decision, or decline an application. A substandard risk is not automatically uninsurable. Postponement means a decision is deferred, often until missing information or a temporary uncertainty is resolved.

Do not apply these medical underwriting choices to every health product. Affordable Care Act individual major medical coverage does not permit denial or higher premiums because of an applicant's health status. Enrollment rules are one way such markets address adverse selection without medical risk selection.

Adverse selection concerns who seeks or keeps coverage. Moral hazard concerns dishonest behavior, such as intentionally causing a loss or making a fraudulent claim. Underwriting evaluates risk before acceptance; claims handling investigates and settles reported losses. Remember the sequence: gather information, evaluate risk, classify appropriately, and decide within product rules.