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The Dollar Peg, How It Works and Why It's Done

The Dollar Peg, How It Works and Why It's Done

Why Countries Peg Their Currency to the Dollar

By Kimberly Amadeo   Updated September 24, 2019

A dollar peg is when a country maintains its currency's value at a fixed exchange rate to the U.S. dollar. The country's central bank controls the value of its currency so that it rises and falls along with the dollar. The dollar's value fluctuates because it’s on a floating exchange rate.

There are at least 66 countries that either peg their currency to the dollar or use the dollar as their own legal tender. The dollar is so popular because it's the world's reserve currency. World leaders gave it that status at the 1944 Bretton Woods Agreement.

The runner-up is the euro. Twenty-five countries peg their currency to it. The 17 eurozone members use it as their currency.

How It Works

A dollar peg uses a fixed exchange rate. The country's central bank promises it will give you a fixed amount of its currency in return for a U.S. dollar. To maintain this peg, the country must have lots of dollars on hand.

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As a result, most of the countries that peg their currencies to the dollar have a lot of exports to the United States. Their companies receive lots of dollar payments. They exchange the dollars for local currency to pay their workers and domestic suppliers.

Central banks use the dollars to purchase U.S. Treasurys. They do this to receive interest on their dollar holdings. If they need to raise cash to pay their companies, it’s easy to sell Treasurys on the secondary market.

A country's central bank will monitor its currency exchange rate relative to the dollar's value. If the currency falls below the peg, it needs to raise its value and lower the dollar's value. It does this by selling Treasurys on the secondary market. That gives the bank cash to purchase local currency.

By adding to the supply of Treasurys, their value drops, along with the value of the dollar. Reducing the supply of local currency raising its value. The peg is restored. 

Keeping the currencies equal is difficult since the dollar's value changes constantly. That's why some countries peg their currency's value to a dollar range instead of the exact number.

Example of a Fixed Exchange Rate

China uses a fixed exchange rate. It prefers to keep its currency low to make its exports more competitive. In fact, every country tries to do this, but few have China's ability to keep it fixed.

China's currency power comes from its exports to America. The exports are mostly consumer electronics, clothing, and machinery. In addition, many U.S.-based companies send raw materials to Chinese factories for cheap assembly. The finished goods become imports when they are shipped back to the United States.

Chinese companies receive American dollars as payment for their exports. They deposit the dollars into their banks in exchange for yuan to pay their workers. Banks send the dollars to China's central bank, which stockpiles them in its foreign currency reserves. This reduces the supply of dollars available for trade. That puts upward pressure on the dollar.

 

To continue reading, please go to the original article here:

https://www.thebalance.com/what-is-a-peg-to-the-dollar-3305925

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