Trade-Weighted Dollar: A Measure of U.S. Dollar Strength

The trade-weighted dollar is an index that measures the value of the U.S. dollar (USD) relative to a basket of foreign currencies. It is calculated by the Federal Reserve (Fed) and is used to gauge the competitiveness of the USD in international trade.

Key Facts

  1. Impact on imports and exports: A strong trade-weighted value of the dollar makes imports to the U.S. less expensive, while exports from the U.S. become more expensive.
  2. Calculation of the trade-weighted dollar: The trade-weighted dollar is an index created by the Federal Reserve (Fed) that measures the value of the U.S. dollar based on its competitiveness against trading partners. It gives importance to currencies most widely used in international trade.
  3. Trade-Weighted Dollar Index: The Trade-Weighted Dollar Index, also known as the Broad Index, was introduced in 1998 to reflect current U.S. trade patterns. It includes 26 currencies that represent economies accounting for about 90% of total bilateral trade with the U.S..

Impact of a Strong Trade-Weighted Dollar

A strong trade-weighted dollar has several implications for the U.S. economy. Firstly, it makes imports to the U.S. less expensive, as foreign goods become cheaper when the dollar is strong. This can lead to an increase in imports, potentially contributing to a trade deficit.

Conversely, a strong dollar also makes exports from the U.S. more expensive for foreign buyers. This can lead to a decrease in exports, potentially contributing to a trade deficit as well.

Calculation of the Trade-Weighted Dollar

The trade-weighted dollar is calculated using a formula that takes into account the exchange rates of the USD against a basket of foreign currencies. The currencies included in the basket are those of countries that are major trading partners of the U.S. The weights assigned to each currency reflect their relative importance in U.S. trade.

The formula for calculating the trade-weighted dollar is as follows:

Trade-Weighted Dollar = Σ (Weight of Currency i × Exchange Rate of Currency i)

Where:

  • Weight of Currency i = The weight assigned to currency i in the basket
  • Exchange Rate of Currency i = The exchange rate of currency i against the USD

Trade-Weighted Dollar Index

The Trade-Weighted Dollar Index (TWDI) is a specific trade-weighted dollar index that is widely used by economists and policymakers. The TWDI was introduced in 1998 to replace an earlier index that was no longer representative of current U.S. trade patterns.

The TWDI includes 26 currencies that represent economies accounting for about 90% of total bilateral trade with the U.S. The weights assigned to each currency are based on their average export share to the U.S. since 1988.

The TWDI is calculated daily and is published by the Fed. It is a valuable tool for understanding the overall strength of the USD and its impact on U.S. trade.

Sources

  1. Trade-Weighted Dollar Definition
  2. Real Trade-Weighted Value of the Dollar by U.S. State
  3. Trade-Weighted Indexes

FAQs

What is a strong trade-weighted dollar?

A strong trade-weighted dollar is a measure of the U.S. dollar’s value relative to a basket of foreign currencies, indicating that the dollar is appreciating in value compared to those currencies.

What impact does a strong trade-weighted dollar have on the U.S. economy?

A strong trade-weighted dollar makes imports to the U.S. less expensive and exports from the U.S. more expensive. This can lead to an increase in imports and a decrease in exports, potentially contributing to a trade deficit.

How is the trade-weighted dollar calculated?

The trade-weighted dollar is calculated using a formula that takes into account the exchange rates of the USD against a basket of foreign currencies. The currencies included in the basket are those of countries that are major trading partners of the U.S. The weights assigned to each currency reflect their relative importance in U.S. trade.

What is the Trade-Weighted Dollar Index (TWDI)?

The Trade-Weighted Dollar Index (TWDI) is a specific trade-weighted dollar index that is widely used by economists and policymakers. The TWDI includes 26 currencies that represent economies accounting for about 90% of total bilateral trade with the U.S. The weights assigned to each currency are based on their average export share to the U.S. since 1988.

Why is the TWDI important?

The TWDI is a valuable tool for understanding the overall strength of the USD and its impact on U.S. trade. It is used by policymakers to make decisions about monetary policy and international trade.

What factors can contribute to a strong trade-weighted dollar?

A strong trade-weighted dollar can be caused by a number of factors, including:

  • Strong economic growth in the U.S.
  • High interest rates in the U.S.
  • Political or economic instability in other countries
  • Demand for the U.S. dollar as a safe haven asset

What are the potential consequences of a strong trade-weighted dollar?

A strong trade-weighted dollar can have several consequences, including:

  • Increased imports and decreased exports, leading to a trade deficit
  • Lower inflation in the U.S.
  • Reduced profits for U.S. companies that export goods
  • Increased profits for U.S. companies that import goods

How can policymakers respond to a strong trade-weighted dollar?

Policymakers may respond to a strong trade-weighted dollar by taking steps to weaken the dollar, such as:

  • Lowering interest rates
  • Intervening in the foreign exchange market
  • Implementing fiscal policies that stimulate economic growth