Exchange Rate Pass-Through
The extent to which changes in exchange rates affect domestic prices of imported and exported goods.
Updated April 23, 2026
How Exchange Rate Pass-Through Works
Exchange Rate Pass-Through (ERPT) describes how fluctuations in the exchange rate translate into changes in the prices of imported and exported goods within a country's domestic market. When a currency depreciates, imported goods often become more expensive because it takes more local currency to buy the same amount of foreign currency. Conversely, if the currency appreciates, imported goods can become cheaper. However, the degree to which these currency changes affect prices isn't always one-to-one; it varies based on several factors such as market competition, pricing strategies, and the nature of goods.
ERPT is measured by the percentage change in domestic prices following a 1% change in the exchange rate. For example, if a 1% depreciation in the local currency results in a 0.5% increase in import prices, the pass-through is said to be 50%. This partial pass-through occurs because companies might absorb some cost changes to maintain market share or due to contracts priced in local currency.
Why Exchange Rate Pass-Through Matters
Understanding ERPT is crucial for policymakers, businesses, and economists because it influences inflation and international competitiveness. A high pass-through means that exchange rate changes quickly affect consumer prices, potentially causing inflation volatility. Central banks monitor ERPT to calibrate monetary policy responses effectively; if ERPT is low, currency fluctuations might have limited impact on inflation, allowing more policy flexibility.
For exporters and importers, ERPT affects profit margins and pricing strategies. If exporters face high ERPT, a weaker domestic currency can boost competitiveness by lowering the foreign currency price of their goods. Conversely, importers may experience squeezed margins or pass on costs to consumers depending on the degree of pass-through.
Factors Influencing Exchange Rate Pass-Through
Several elements determine the extent of ERPT:
- Market structure: In highly competitive markets, firms may absorb exchange rate changes to keep prices stable.
- Contract currency: If trade contracts are priced in the importer’s currency, pass-through tends to be lower.
- Product differentiation: Unique or branded products often have lower pass-through since firms can maintain prices despite cost changes.
- Inflation environment: In high-inflation countries, ERPT is usually higher because prices are more flexible.
- Monetary policy credibility: Strong policy frameworks can reduce pass-through by anchoring inflation expectations.
Exchange Rate Pass-Through vs Exchange Rate Volatility
While ERPT measures how exchange rate changes affect prices, exchange rate volatility refers to the frequency and amplitude of currency fluctuations. High volatility can increase uncertainty for businesses and consumers but does not directly measure price effects. ERPT helps understand the economic consequences of volatility by showing how much price levels respond to these changes.
Real-World Examples
In the 1990s, many emerging markets experienced high ERPT due to less credible monetary policies and high inflation, leading to volatile inflation rates following currency depreciations. In contrast, the United States typically exhibits low ERPT, meaning exchange rate movements have a muted effect on consumer prices. This difference affects how central banks in various countries respond to exchange rate shocks.
Common Misconceptions
-
ERPT is always 100%: Many believe currency changes fully translate into price changes, but in reality, pass-through is often partial due to strategic pricing and market factors.
-
ERPT affects only imported goods: While directly relevant to imports, ERPT can influence domestic inflation more broadly through competitive pressures and input costs.
-
High ERPT is always bad: High pass-through can signal flexible prices and monetary policy responsiveness, whereas low ERPT might mask inflation risks.
Understanding ERPT nuances helps grasp the complex interplay between exchange rates, prices, and economic policy.
Example
During the Asian Financial Crisis in 1997, many countries experienced high exchange rate pass-through, leading to sharp increases in import prices and inflation after their currencies depreciated sharply.