Trade · 6 pages · 12 min

Why inflation and a weaker currency are related but not the same

Inflation is a rise in domestic prices, while a weaker currency is a lower price in the foreign-exchange market.

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From the opening

Inflation means that a unit of domestic money buys fewer goods at home as time passes. A weaker currency means that same unit buys fewer units of some foreign money, which is a price observed in the foreign-exchange market. The opening covers inflation is a domestic price rise, weakness is a foreign-exchange price, and a peg can separate the two.

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Inside

  • Inflation is a domestic price rise
  • Weakness is a foreign-exchange price
  • A peg can separate the two
  • Capital flows can move the rate alone
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Purchasing power and exchange rates
  • Distinction between inflation and depreciation