1.2 Types of Risk

Not Every Risk Can Be Insured

The exam expects you to sort any described risk into the correct category and to recall why private insurers decline certain risks. Three classification pairs and one six-part test cover essentially every question here.

Pure Risk vs. Speculative Risk

This is the most important distinction in the entire chapter.

Exam key: If a question asks which risk type insurers will cover, the answer is always pure risk. Insurance indemnifies — it restores, it does not enrich — so any risk that contains a chance of gain is off the table.

Pure-risk examples: a house fire, an auto collision, a liability lawsuit, premature death, theft. There is no upside; either nothing happens or you lose.

Speculative-risk examples: buying stock, opening a restaurant, betting on a game, trading currency, real-estate development. Each can lose, break even, or profit — which is exactly why no insurer will write it.

Trap: Students see "a new restaurant" and think "business = insurable." The property and liability of the restaurant are pure risks and are insurable; the venture's profitability is speculative and is not.

Static vs. Dynamic Risk

Static risks are insurable because the Law of Large Numbers can be applied to abundant loss history. Dynamic risks move all at once and lack reliable historical data, so premiums cannot be priced accurately.

Fundamental vs. Particular Risk

Insurance implications

• Particular risks are readily insurable: they hit policyholders independently, so the insurer can diversify across its book.
• Fundamental risks are problematic. Many require government or special solutions:
  • Flood — written through the federal National Flood Insurance Program (NFIP), not standard private property policies.
  • Earthquake — excluded from standard homeowners forms; requires a separate policy or endorsement.
  • War — excluded from nearly every policy.

The Six Requirements of an Ideally Insurable Risk

Memorize the acronym LADNCA.

Worked example — flood fails two tests: A single flood event soaks thousands of homes in one valley on the same day. That violates requirement 1 (losses are not independent — they correlate) and requirement 4 (the loss is catastrophic). Both failures explain why private insurers decline flood and why the NFIP exists. Expect the exam to test exactly this reasoning.

Trap: Requirement 2 (accidental) is why intentional losses — arson by the insured, suicide within the contestability window — are never covered: they are neither fortuitous nor outside the insured's control.

Adverse Selection — Why the Six Tests Matter

The six requirements are not academic; they exist to defeat adverse selection, the tendency of those with the highest expected losses to seek insurance most eagerly. If an insurer could not predict losses (requirement 5) or attracted only bad risks, premiums would spiral until the pool collapsed. Underwriting, exclusions, and rate classification all push back against adverse selection so the average premium stays affordable (requirement 6).

A helpful way to study is to test each described risk against all six tests and identify which one fails:

How the Classifications Interact

The three pairs are independent lenses, not mutually exclusive boxes — a single risk has a value on each axis. A house fire is pure (loss or no loss), static (stable, well-documented), and particular (it strikes one owner randomly), which is why it is the textbook example of an ideal insurable risk. An earthquake is pure and static in cause yet fundamental in scope, and that single fundamental trait is enough to push it out of standard coverage and into specialty markets. When the exam describes a risk, classify it on each axis in turn; the answer usually turns on whichever classification makes it hard to insure.