When Everyone Acts Rationally - and Health Insurance Breaks

Business & Finance
8 Dec 2025 • 3:00 PM MYT
Teck Jin Wong
Teck Jin Wong

Writing & exploring policy, economics and public life in M'sia with clarity

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Insurance is, at its core, a social promise. It converts private vulnerability into shared security — a pact that no one should face ruin alone when illness strikes. Each participant pays a little so that, collectively, all are protected. Yet in Malaysia’s health insurance market, this promise is fraying. Not because people are careless, but because everyone is acting perfectly rational.

The logic of individual choices

Every actor behaves as the system expects. Doctors recommend additional tests or more advanced treatments — not out of greed, but because thoroughness saves lives. Hospitals expand services and upgrade technology to remain competitive and credible. Insurers design plans to balance customer appeal with risk containment, fine-tuning benefits to stay solvent. Consumers, faced with rising premiums, do the sensible thing too: they buy the best plan they can afford, or exit the market altogether when costs bite.

None of this is irrational. In isolation, every decision is sound — a product of logic, responsibility, and self-interest properly understood.

The unintended consequence

Taken together, however, these rational acts assemble into an irrational whole. The ecosystem begins to spiral upward — in cost, complexity, and expectation. Hospitals raise their prices to fund new equipment. Insurers adjust premiums accordingly. Consumers demand more coverage for what they pay. The cycle repeats.

Soon, the market becomes both vibrant and brittle — brimming with options, yet quietly unsustainable. Products proliferate until few can meaningfully compare them. Risk pools thin as healthier participants opt out. Those who remain pay more, not because they have changed, but because the system has.

This is how coordination failure looks in real time: everyone optimising for themselves, and yet the collective outcome drifts steadily toward disorder.

The moral and practical stakes

The collapse here is not moral in the sense of wrongdoing; it is moral in the sense of consequence. When self-interest aligns too neatly with system design, inequity seeps in by arithmetic, not intent.

Economists might describe this as the tragedy of the commons. It is instead a subtler variant — the tragedy of rationality: each actor’s sensible choice compounds into collective fragility. The result is familiar yet insidious — rising premiums, uneven coverage, and the quiet erosion of trust. Insurance begins to feel less like solidarity and more like a lottery that rewards those lucky enough to remain healthy.

This erosion matters. When protection becomes contingent on affordability, the moral centre of the insurance idea collapses. The market may still function, but the promise no longer holds.

A base MHIT as systemic anchor

Against this drift, the proposed base medical and health insurance (MHIT) framework by Bank Negara Malaysia offers something deceptively simple: a floor.

It is not a luxury reform, but a structural one — a way to reintroduce coherence into a market that has become too clever for its own good. A base MHIT defines a common minimum standard of coverage. It ensures that, no matter how elaborate the premium products become, there remains a dependable core accessible to all.

It also stabilises expectations. Insurers, hospitals, and consumers can plan rationally within known bounds. Price escalation and product proliferation — the twin engines of market chaos — lose their fuel. Hidden cross-subsidies shrink; transparency improves. Innovation continues above the floor, but without leaving anyone stranded below it.

In short, it restores proportion — a way to make rational behaviour align once more with collective sustainability.

Rebuilding trust, one baseline at a time

Insurance cannot run on calculation alone. It requires faith — that the system will be there when misfortune arrives, that others will uphold their end of the bargain. That faith has been quietly eroding, worn down by complexity and cost.

A base MHIT will not cure every structural weakness, but it does something more fundamental: it reasserts a shared moral architecture. It reminds all players — providers, payers, and policyholders alike — that the logic of protection is not purely economic.

Rationality without coordination becomes chaos. Incentives without ethics become drift. A shared baseline transforms the system from a contest of optimisation into an act of solidarity.

Because when everyone acts rationally without a common anchor, the outcome is not efficiency — it is entropy. And in that disorder, the only real winner is complexity itself.


Teck Jin Wong (wteckjin90@gmail.com) is a content creator under the Newswav Creator programme, where you get to express yourself, be a citizen journalist, and at the same time monetize your content & reach millions of users on Newswav. Log in to creator.newswav.com and become a Newswav Creator now!

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