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NotesEconomicsTopic 4.6Calculating the balance of payments
Back to Economics Topics
4.6.23 min read

Calculating the balance of payments

IB Economics · Unit 4

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Contents

  1. 1Balances from data
  2. 2Why it sums to zero
  3. 3Exam-style question

Paper 2 gives a table and asks for one balance, for 1 to 3 marks.

Our example: a current account, row by row

Item ($ billion)CreditDebitBalance
Trade in goods8095−15
Trade in services3022+8
Income610−4
Current transfers52+3
Current account−8

The calculations

1

Balance of trade in goods

Goods exports − goods imports: 80 − 95 = −$15 billion.

Goods
2

Balance of trade in services

30 − 22 = +$8 billion.

Services
3

Current account balance

Add the four balances: −15 + 8 − 4 + 3 = −$8 billion: a deficit.

Add up
4

A missing balance

Current account −8, goods −15, income −4, transfers +3: services = −8 + 15 + 4 − 3 = +$8 billion.

Rearrange

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The whole balance of payments always adds up to zero.

Why the accounts sum to zero

1

Every payment is paid for

A $8 billion current account deficit must be financed.

Deficit
2

By money coming in

Foreigners invest or lend: a financial account surplus of $7 billion, a capital account surplus of $1 billion.

Surplus
3

So the total is zero

−8 + 1 + 7 = 0. Any gap is errors and omissions.

Zero

The points to remember

  • Write it like this: "A current account deficit is matched by a surplus on the financial and capital accounts."
  • Current + capital + financial (+ errors and omissions) = 0.

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Paper 2 asked this in November 2024, for 4 marks.

IB-style questionExplain[4 marks]

Text A says foreign firms invested heavily in new factories, and Table 4 shows a current account deficit of $8 billion.

Using the data, explain the interdependence between the accounts in the country's balance of payments.

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Where marks are lost

1

No sign

Write −$8 billion, or "a deficit of $8 billion".

Sign
2

No units

$ billion: write both.

Units
3

Wrong account

FDI is financial account, not current account.

Account

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A country exported goods worth 318 billion and imported goods worth 349 billion.

Using the export and import figures given, the visible (goods-only) trade balance. [1 mark]

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