The Impact of the US Dollar on Australia and Interest Rate Policies

US Interest Rate Increase -> Stronger USD/AUD -> Increased Import Costs -> Higher Inflation

Ritika Goyal
An Idea (by Ingenious Piece)
4 min readJun 21, 2024

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Photo by Frederick Warren on Unsplash

The US dollar (USD) significantly impacts Australia due to trade, investment, and currency reserves. Here’s how:

Trade: The USD is the primary global trading currency. Many of Australia’s exports, such as minerals and agricultural products, are priced in USD. A strong USD can make Australian exports cheaper and more competitive in global markets, boosting trade revenues. Conversely, a weak USD can make Australian exports more expensive for buyers using other currencies, potentially reducing demand for Australian goods.

Investment Flows: A strong USD can attract investment into the US, which might reduce capital inflows into Australia, affecting the value of the Australian dollar (AUD) and economic growth. A weaker USD can have the opposite effect, potentially increasing investment in Australia as investors seek better returns outside the US.

Currency Reserves: Australia holds part of its foreign currency reserves in USD. Fluctuations in the USD can impact the value of these reserves. A weaker USD could decrease the value of Australia’s reserves, while a stronger USD could increase their value.

Commodity Prices: Many commodities are priced in USD. Fluctuations in the USD can therefore directly impact the prices Australia receives for its exports. For example, if the USD weakens, commodity prices often rise, benefiting Australian exporters.

Why Australia Increases Interest Rates After US Interest Rate Increases

Australia often increases interest rates following a rise in US interest rates for several reasons:

Capital Flows and Currency Stability: Higher US interest rates can attract global capital to the US, potentially leading to outflows from Australia. To prevent excessive capital outflow and to maintain the attractiveness of Australian investments, the Reserve Bank of Australia (RBA) might increase its interest rates. Increasing interest rates can also help support the AUD. If Australia’s rates remain lower while the US raises its rates, the AUD could depreciate significantly against the USD, potentially leading to inflationary pressures due to higher import costs.

Inflation Control: A weaker AUD, resulting from a divergence in interest rates, can lead to higher import prices, contributing to inflation. Raising interest rates can help mitigate inflationary pressures by making borrowing more expensive and slowing down economic activity.

Economic Synchronization: The global economy is interconnected. Economic policies in major economies like the US can influence global financial conditions. By adjusting its interest rates in response to US rate changes, the RBA aims to keep Australia’s monetary policy aligned with global economic conditions, ensuring stability and sustainable growth.

Impact of a Declining USD on Australia

If the USD goes down, here are the potential impacts on Australia:

Export Competitiveness: A weaker USD could make Australian exports more expensive on the global market, potentially reducing demand. This is particularly significant for commodities priced in USD, as Australian goods become pricier for buyers using other currencies.

Import Costs: A weaker USD can make imports cheaper for Australia. Since many goods and services are traded internationally in USD, a decline in the USD can reduce import prices, potentially lowering inflationary pressures in Australia.

Foreign Exchange Reserves: A decline in the USD reduces the value of Australia’s foreign exchange reserves held in USD. This can affect the overall value of the reserves and the country’s financial stability.

Investment Flows: A weaker USD can lead to capital moving out of the US and into other markets, including Australia. This can strengthen the AUD, making Australian investments more attractive but also potentially impacting the export competitiveness.

Other Related Factors

Global Economic Conditions: Changes in the global economy, such as growth rates, geopolitical tensions, and trade policies, can influence both the USD and AUD. Australia’s economy is particularly sensitive to changes in China’s economy due to significant trade relations.

Commodity Prices: As a major exporter of commodities, Australia’s economic health is closely tied to commodity prices. Fluctuations in the USD can impact commodity prices and, consequently, Australia’s trade balance and economic growth.

Domestic Economic Policy: The RBA’s decisions on interest rates are also influenced by domestic economic conditions, such as employment rates, consumer spending, and domestic inflation. The RBA aims to balance these factors while also considering global economic conditions and the actions of major economies like the US.

Summary

The USD has a significant impact on Australia’s economy through trade, investment flows, and currency reserves. The RBA often raises interest rates in response to US interest rate hikes to prevent capital outflows, support the AUD, and control inflation. A declining USD can impact Australia’s export competitiveness, import costs, and the value of its foreign reserves. Other factors such as global economic conditions, commodity prices, and domestic economic policies also play crucial roles in shaping Australia’s economic landscape.

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Disclaimer

The information provided in this report is general in nature and does not constitute professional advice. We are not licensed valuers, solicitors, or financial advisors. While we aim to provide accurate and up-to-date information, we recommend that you conduct your own due diligence and consult with relevant professionals before making any property purchase decisions.

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