In the past
Silver flowed around the world.
The balance of payments drives politics
Do monetary flows move faster than politics?
Global circulation of silver → Foreign exchange, current account balance, reserve currency
Understanding the flow of money across borders in 3 minutes
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In the past
Silver was carried by ships.
Today
Today, we see money coming and going through foreign exchange and current account balances.
Today
Today's money moves across borders in an instant.
What's different
That speed changed what countries could do.
What's similar
The flow of money is faster than politics.
A useful perspective
The balance of payments is a measuring stick, not a matter of good or bad.
What to watch out for
Don't judge a country's rise or fall just by the direction of the flow.
2What would you do?
Money is steadily flowing out of a country. Someone says, 'This country is done for.' What do you think?
Pick one
If money is flowing out, the country is in decline.
Judging a country's rise or fall by the direction of flow alone is missing the point. The balance of payments is a measuring stick, not a moral report card.
You can't decide based on the direction alone.
That's right. The balance of payments is a measuring stick. You can't judge a country's rise or fall based only on the direction of the flow.
The flow of money moves faster than politics. In the past, silver was carried by ships; today, capital moves in an instant.
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Representative Historical Scenarios
- A mint of the New WorldSpain The eight reales the 16th century
- The Outflow of KobanOverview: the world Japan AD 1859
- The Decline of the PoundOverview: the world Britain AD 1967
Contemporary Financial Scenarios
Situations from the book where this theme appears. We present a comparison with past situations for each case.
Dollars are also created outside the U.S. — Eurodollars
6-01 / Before 2008 1962–2008 London, New York, Basel
- Similarities
- The pattern of a country's currency circulating outside its borders, with disruptions in that market affecting the home country, also existed in the era when silver coins circulated across borders.
- Differences
- What is circulating is not metal but deposits in foreign banks, and what resolves blockages is the exchange of liabilities between central banks, known as swaps.
- Applications
- When you hear of a "dollar funding squeeze," recall dollar deposits outside the U.S. and central bank swap lines.
- Limitations
- The figures are from a BIS paper and the bank's estimates cited therein. The origins of the Eurodollar market (1950s) are not covered.
Who Holds the Government Bonds?
4-03 / Government Bonds March 31, 2026. Tokyo. Flow of Funds Accounts.
- Similarities
- The structure of national debt holders being at the center of finance can be seen since the era of city merchants and banks that underwrote public bonds.
- Differences
- The largest holder is not a private bank but the central bank, and its acquisition is limited to purchases from the market, not direct underwriting.
- Applications
- When you hear "the Bank of Japan holds half of the government bonds," check if the figure is based on market value or face value, and whether it includes treasury discount bills.
- Limitations
- The ratio is based on market value; if interest rates move, the figure will change even for the same number of bonds held.
How to compare past and present
Similarities
Monetary flows move faster than politics.
Differences
Silver was transported by ship; today's capital moves instantly. This speed has changed the scope for policy-making.
Applications
The balance of payments is a metric, not a moral issue.
Limitations
When discussing the rise and fall of a nation solely by the direction of outflows and inflows
To go beyond "they are similar," we also describe the differences, what can be applied today, and where past examples should not be applied to the present (limitations).
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