UNSW Sydney · FACULTY OF FINANCE

RISK5001 Chap.1 Risk Concepts and Risk Management

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Chapter 1 of 9 · RISK5001

Risk Concepts and Risk Management

This chapter builds the language that controls every later decision. It starts with an objective, separates uncertainty from risk, distinguishes peril from hazard, classifies exposures, and then applies avoidance, reduction, transfer or retention while recording residual risk. The sequence matters: a treatment is defensible only when its target is clear.

Classification also changes the recommendation because diversification, insurance and operational control do not work equally well for every exposure. The closing discipline is to identify who owns the remaining exposure and what evidence would trigger review.

In this chapter

What this chapter covers

  • 01

    Objectives, uncertainty and consequences

  • 02

    Peril and hazard

  • 03

    Static and dynamic risk

  • 04

    Systemic and specific risk

  • 05

    Pure and speculative risk

  • 06

    Risk control and risk financing

Worked example · free

Diagnosing a warehouse exposure

Q [4 marks]. A warehouse depends on one cooling system and has overdue backup maintenance. Identify the objective, peril, hazard and two treatments. The marks used for this revision example are not a University-published assessment scheme.
Start in the centre.Start in the centre. An event becomes decision-relevant when uncertainty changes an objective. A peril causes loss; a hazard changes how often or how severely that peril may operate. OBJECTIVEvalue at risk UNCERTAINTYknowledge is incomplete CONSEQUENCEobjective changes PERILcause of loss HAZARDchanges frequency or severity
Start in the centre. An event becomes decision-relevant when uncertainty changes an objective. A peril causes loss; a hazard changes how often or how severely that peril may operate.
  • 1State the objective as maintaining safe inventory and uninterrupted service.
  • 1Name power or cooling failure as the peril and missed maintenance as the hazard.
  • 1Reduce the hazard through testing and redundancy.
  • 1Transfer defined property loss while retaining exclusions and deductibles.
The objective is safe continuous storage. Cooling failure causes loss; overdue maintenance increases its likelihood. Maintenance and redundancy reduce the exposure, while suitable insurance can transfer specified financial consequences.
Sia tip — Write a hazard as the condition that changes frequency or severity, not as the loss event itself.
Glossary

Key terms

Residual risk
The exposure remaining after controls and financing responses have been applied.
Risk financing
Arrangements that ensure funds are available for loss, including transfer and retention.
Peril
The event or immediate cause that produces a loss, distinguished from surrounding conditions that influence how often or how severely it occurs.
Hazard
A physical, moral or behavioural condition that changes the frequency or severity of a peril without necessarily being the direct cause of loss.
Pure risk
An exposure with outcomes of loss or no loss, rather than a deliberate opportunity that can also produce an economic gain.
Risk control
Measures that avoid an exposure or reduce the frequency or severity of loss, as distinct from arranging funds after loss occurs.
FAQ

Risk Concepts and Risk Management FAQ

Why must an answer begin with the objective?

Risk is defined through its effect on an objective. Naming the objective prevents a list of generic hazards and shows exactly which consequence the treatment must change.

Does insurance remove the underlying risk?

Insurance transfers specified financial consequences under a contract. It normally leaves the physical peril, preventable hazards, exclusions, deductibles and some interruption or dependency exposure with the insured.

How should peril and hazard appear in a scenario answer?

Name the peril as the event that directly produces harm, then identify the condition that changes its likelihood or consequence as the hazard. Link each proposed control to one of those features. This prevents vague recommendations and shows whether the response addresses the cause, the surrounding condition or only the funding of loss.

When is avoidance a sensible treatment?

Avoidance is sensible when the exposure is optional and its downside is unacceptable relative to the objective. It also sacrifices any benefit attached to the activity, so an answer should compare that opportunity cost with reduction, transfer and retention. Calling every cautious decision avoidance misses the need to stop or never begin the exposure itself.

Why can one event require several risk statements?

A single event can affect different objectives through different consequences. A system outage may interrupt service, expose private information, breach regulation and reduce cash flow. Separating those effects reveals distinct owners, time horizons and controls. The shared event can remain one scenario, but each objective needs a treatment and residual-risk statement that fits its consequence.

What makes a residual-risk statement useful?

A useful statement names what remains after treatment, who accepts or monitors it and which indicator would prompt reconsideration. Saying that risk remains is too weak. Deductibles, exclusions, control failure, delayed recovery and dependency on a supplier are concrete residuals that can be assigned, measured and reviewed as conditions change.

How should competing treatments be compared?

Use the same objective, time horizon and exposure boundary for every option. Describe how each response changes frequency, severity, ownership or funding, then compare cost, feasibility, new dependencies and the residual risk left behind. Avoidance may sacrifice benefit; reduction can fail or create concentration; transfer depends on contract wording and counterparty performance; retention needs liquidity and governance.

A strong recommendation explains why one combination protects the objective better than the alternatives rather than naming the cheapest tool. Finish with an accountable owner, a monitoring indicator and a review trigger so the choice can be reconsidered when the underlying peril, hazard or organisational capacity changes.

Study strategy

Exam move

Practise converting short scenarios into a fixed chain: objective, uncertainty, peril, hazard, classification, treatment and residual owner. Compare the paired classifications aloud until the decision implication is automatic. Use a two-column drill in which the left side contains only facts from the scenario and the right side records the decision consequence of each fact.

For every proposed response, annotate whether it changes frequency, severity, ownership or funding. Finish by writing one sentence on trade-offs and one sentence on the retained exposure. This routine turns vocabulary into analysis and makes it harder to recommend insurance before diagnosing the loss mechanism.

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