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Using a person's budget to understand the balance of payments

Just like a personal budget, the balance of payments uses the sources of funds and uses of funds to track the movement of money. In this article, we use a young wizard's budget to make the BOP more relatable.
To get a better understanding of the balance of payments accounts, let’s think of a single person’s sources of funds and uses of funds. We can summarize Harry’s budget for this month as shown in the table below:
Source of funds or use of fundsAmount
Income earned from selling copies of his book “Talking to snakes for fun and profit”+$1000
Income earned from owl consultancy services+$200
Money spent on dementor repellant$1200
Money spent paying for investment advice$300
Payment from Ron to borrow Harry’s wand+$50
Allowance from Aunt Petunia+$2
Harry’s balance$248
Uh oh! Harry ran a little short this month!
Suppose there was one more thing that Harry hasn’t included yet: he also loaned Lucius $70. That means he also has a financial asset in the form of an I.O.U. from Lucius, but also $70 less money available to him. That means Harry has a total shortfall of cash of $248+$70=$318. As usual, his friend Hermione bails him out of trouble by loaning him $318.
Harry’s loan to Lucius and his loan from Hermione are different from the transactions in his budget because the $318 loan and the $70 loan both created liabilities for someone. So, let’s keep track of the transactions that created a liability in a separate balance sheet:
Source of funds or use of fundsAmount
Loan to Lucius$70 (it is negative because this money left his possession)
Loan from Hermione+$318 (it is positive because this money came into his possession)
Harry’s budget is his current account that summarizes all transactions that have not created liabilities. The transactions that created liabilities are his capital and financial account because those I.O.U. ’s eventually will need to be repaid.
We can summarize these in the table below:
Source of funds or use of fundsAmount
Income earned from selling copies of his book “Talking to snakes for fun and profit”+$1000
Income earned from owl consultancy services+$200
Money spent on dementor repellant$1200
Money spent paying for investment advice$300
Wand rent+$50
Allowance from Aunt Petunia:+$2
Harry’s current account balance$1000+$200+$50+$2$1200$300=$248
Outflow of money loaned$70
Inflow of money borrowed from Hermione$318
Harry’s Capital and Financial Account balance$70+$+318=$+248
We can relate a country’s balance of payments account to the scenario we described above. The table below shows entries for the nation of Panem that are comparable to each of the entries on Harry’s Balance sheet:
Harry's source of funds or use of fundsHarry's AmountPanem's amount (in billions)Panem's category of BOP
Income earned from selling copies of his book “Talking to snakes for fun and profit”+$1000+$1000Goods exports
Money spent on dementor repellant$1200$1200Goods imports
Balance on goods$1000$1200=$200$1000$1200=$200Balance on goods
Money spent paying for investment advice$300$300Service imports
Income earned from owl consultancy services+$200+$200Service exports
Balance on services$300+$200=$100$300+$200=$100Balance on services
Wand rent+$50+$50Net investment income (also called factor income)
Allowance from Aunt Petunia+$2+$2Transfers and remittances
Harry’s current account balance($200)+($100)+$50+$2=($248)($200)+($100)+$50+$2=($248)Panem’s current account balance
Outflow of money loaned$70$70Outflow of foreign assets from Panem
Inflow of money borrowed from Hermione$318+$318Inflow of foreign assets to Panem
Harry's capital and financial account balance$70+$318=$248$70+$318=$248Panem’s capital and financial account balance
Balance of paymentsCA+CFA=$248+$248=$0CA+CFA=$248+$248=$0Balance of payments

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