Insurance — Meaning, Definition, Mechanism and Functions

2. Insurance — Meaning, Definition, Mechanism and Functions

Meaning of insurance. Insurance is a contract between two parties — the insurer (the insurance company) and the insured (the person or business seeking cover) — under which the insurer, in return for a fixed payment called the premium, agrees to pay the insured (or a nominee) a stated sum of money, or to compensate the insured's actual financial loss, on the happening of a specified uncertain event. The written document that records the terms of the contract is the policy, the amount for which the cover is taken is the sum assured / sum insured, and the insured's written request for cover (disclosing all material facts) is the proposal. In plain terms, insurance is a device for converting the uncertainty of a large loss into the certainty of a small, regular payment.

Definition. A commonly used definition describes insurance as "a co-operative device to spread the loss caused by a particular risk over a number of persons who are exposed to it and who agree to insure themselves against that risk." From a legal standpoint, an insurance policy is a contract by which the insurer undertakes, for consideration (the premium), to indemnify the insured against loss, or to pay a fixed sum, on a defined contingency.

The mechanism of insurance — how it actually works. Insurance rests on two connected ideas:

1. Pooling of risks (risk-sharing). A large number of people who face a similar risk each contribute a small premium into a common fund. Out of this fund, the comparatively few members who actually suffer a loss during the period are compensated. In effect, the losses of the unfortunate few are shared by the fortunate many. No individual could bear a large loss alone, but the group collectively can absorb it easily.
2. The law of large numbers. No insurer can predict which particular member will suffer a loss. But by observing a very large number of similar, independent risks over time, an insurer can predict, with reasonable statistical accuracy, roughly how many losses to expect in a given period. This predictability is what allows the insurer to fix a fair premium in advance — large enough to cover the expected claims, management expenses and a reasonable margin, yet small for each individual member.

Together these ideas mean that insurance does not remove risk from the world — the fire still happens, the accident still occurs — but it redistributes the financial impact of that risk from the individual who suffers it onto the whole pool of insured persons, in a planned and affordable way.

Functions of insurance. The functions are usually grouped into three levels:

Primary functions

1. Providing certainty — insurance replaces the uncertainty of a large, unpredictable loss with the certainty of a small, known premium, giving individuals and businesses peace of mind and the confidence to plan ahead.
2. Providing protection — while insurance cannot prevent a loss from happening, it protects the insured against its financial consequences by making good the loss when it occurs.
3. Risk-sharing — insurance shares the loss of the few among the many exposed to the same risk, which is the essence of the pooling mechanism described above.

Secondary functions

4. Prevention of loss (loss control) — insurers actively encourage measures that reduce losses (fire-safety requirements, safety inspections, lower premiums for safer conduct), which benefits both the insurer and society.

5. Provision of capital and mobilisation of savings — the large funds insurers collect as premiums are invested productively in industry, infrastructure and government securities, so insurance channels the community's small savings into national investment.

6. Encouraging savings — life insurance in particular combines protection with a disciplined, long-term savings habit.

Other / indirect functions …