01 The short-term machine
Three forces in a balancing act
Day to day, an economy is governed by three numbers that pull against each other: inflation (how fast prices rise), unemployment (how many can't find work), and interest rates (the price of money — the main lever used to steer the other two).
Raise rates and you cool inflation — but tend to slow hiring. Cut them and you boost jobs — but risk prices running hot. Central banks spend their lives on this seesaw.
Most central banks pull the interest-rate lever directly. Singapore is unusual: because we're a small, trade-driven economy, MAS steers policy mainly through the exchange rate instead — letting the Singdollar strengthen to tame imported inflation. Same balancing act, a different lever.
02 The long, slow tide
Why great powers rise and fall
Zoom out a few centuries and a bigger pattern appears. Investor Ray Dalio, studying 500 years of history, describes a "Big Cycle" in which leading powers rise, peak, and decline over roughly 250 years — and the world's dominant currency changes hands with them.
Reserve-currency status has passed from the Dutch guilder to the British pound to the US dollar. Dalio reads the US as past its peak and China as rising — a view, and a debated one, not a certainty.
Dalio ties a nation's strength to eight mutually-reinforcing measures: education, competitiveness, innovation, economic output, share of world trade, military strength, financial-centre strength, and reserve-currency status. They tend to rise together on the way up — and unwind together on the way down, usually alongside high debt and widening wealth gaps.
03 What it means for you
You can't move the tide — so don't fight it
None of this is a reason to panic or to try to trade the headlines. It's the opposite: knowing the sea has weather is what lets you stop bailing every time a wave comes.
- Expect cycles — booms, busts and scary years are features of the machine, not signs it's broken
- Diversify beyond any single country, including your own — the leaders of tomorrow may not be the leaders of today
- Own real, productive things over the long run, and keep buying through the wobbles
- Keep enough safe money that a downturn is uncomfortable, not catastrophic
The point of understanding the game isn't to out-guess it — it's to stay level-headed and invested while others react. That steadiness, over decades, is where most real wealth quietly comes from. It's the same lesson as building the foundation.
Sources & notes
The inflation–unemployment trade-off is the everyday work of central banks (the "dual mandate" and Phillips-curve idea); Singapore's exchange-rate-based policy is per MAS. The Big Cycle, the eight determinants and the reserve-currency history are from Ray Dalio's Principles for Dealing with the Changing World Order (2021) — presented as one influential framework, not a forecast. This is general education, deliberately even-handed, and is not political commentary or investment advice. Jonathan Wong is a licensed financial adviser representative in Singapore, currently between firms — during that period he is not able to provide financial advice. You can check his registration yourself on the MAS Financial Institution Representatives Register at eservices.mas.gov.sg/rr.