The Erosion of U.S. Dollar Hegemony: What Does It Mean For Us Australian Investors?
A blog post by Dr. Ben Lin. Subscribe to any of our services for exclusive member’s only blog posts.
Disclaimer: Dr. Lin has written this article originally in Chinese and used AI to translate it to English.

As an individual investor who has been deeply involved in the Australian investment market for many years, the recent volatility of U.S. assets has made me question the long – revered “American Exceptionalism”. To be honest, I don’t think the dominant position of the U.S. dollar will collapse overnight. However, the fundamental foundations on which it has long relied are indeed gradually showing cracks. For us Australian investors, this is undoubtedly an important signal – it’s time to re – examine the allocation of our investment portfolios. Factors such as exchange rate risks, changes in the global growth pattern, and the future trend of the commodity market are all directly related to the performance of the Australian Stock Exchange (ASX) and the Australian dollar.
Recent Market Dynamics: A Sobering Wake – Up Call
The “triple sell – off” of U.S. assets some time ago sounded a wake – up call for me. I can clearly feel that global capital is gradually moving out of the traditional U.S. market and beginning to look for other ways out. This shift in capital flows has benefited markets in Europe, Japan and other regions. So what does it mean for us in Australia? On the one hand, investors holding U.S. dollar – denominated assets may face greater volatility. On the other hand, if global expectations for economic growth change, more funds may flow into the Australian stock market. This is something we need to pay close attention to.
Historical Background: Why Did the U.S. Dollar Achieve Hegemony? And What Impact Does It Have on the Australian Dollar?
To understand the current situation, we must first figure out how the U.S. dollar established its hegemonic position in the first place. In my view, it mainly relies on four pillars: military strength, institutional influence, economic scale, and leading advantages in science and technology. This framework is crucial for understanding the relationship between the Australian dollar and the U.S. dollar. In the past, the stable and powerful system of the United States could always boost global risk appetite, and commodity currencies like the Australian dollar often benefited from this. But now, once these four pillars show cracks, the trend of the Australian dollar will face more uncertainties. We must take these new variables into account when making investment decisions.
Short – Term Outlook: For Now, Inertia May Be a Good Thing
Having said that, the current U.S. dollar system still has a certain degree of inertia. If the Trump administration takes office, it will probably tend to maintain a strong U.S. dollar. I think the discussions about radical policy changes such as the “Mar – a – Lago Agreement” are somewhat exaggerated. Therefore, for us Australian investors, the exchange rate between the Australian dollar and the U.S. dollar may remain in a relatively stable range in the short term. But we must not take this stability for granted. This period is a good time for us to prepare for long – term market changes, and we must not let our guard down.
Long – Term Trends: Under Structural Changes, How Should We Adjust Our Investment Portfolios?
This is the core of the problem. The “America First” policy pursued by the United States is threatening the four pillars that support the hegemony of the U.S. dollar. From the perspective of us Australian investors, there are several aspects that need to be focused on:
First, military and geopolitical aspects. The reduction of U.S. involvement in the Asia – Pacific region will leave a power vacuum. This will undoubtedly increase uncertainties in the region, but at the same time, it will also promote closer economic and security cooperation among U.S. allies. For Australia, this may create new opportunities.
Second, the weakening of institutional trust. The “weaponization” of the U.S. dollar system has made major economies, including China (Australia’s largest trading partner), seek diversified paths away from the U.S. dollar. This may gradually weaken the influence of the U.S. dollar in Australia’s key trade flows, thereby affecting our import and export enterprises and related investments.
Third, the U.S. fiscal dilemma. The unsustainable U.S. debt is a global risk. It may push up global interest rates and trigger market turbulence. For investors in the Australian stock market, this is a systemic risk that must be closely monitored. Once it breaks out, it may have an impact on the entire market.
Fourth, technological competition. The technological competition between the United States and China will redefine the global supply chain and the engine of economic growth. Australia’s resource industry, especially the key mineral sector, is at the core of this competition. This brings both risks and huge opportunities. We need to carefully study which mineral enterprises can stand out in this competition and make early arrangements.
Key Insights for Australian Investors
Based on the above analysis, I have summarized several practical suggestions for us Australian investors:
First, exchange rate hedging. We need to re – examine the hedging strategies for our international (especially U.S.) stock assets. In the long run, the rationality of the investment strategy of not conducting any hedging may be weakening. Appropriate hedging can help us reduce the risks caused by exchange rate fluctuations.
Second, exposure to commodities and resources. Usually, a weaker U.S. dollar will support commodity prices. The Australian stock market has a large weight in the resource sector, which may become a driving force for the Australian stock market. We should focus on companies involved in “new economy” minerals (such as lithium, cobalt, etc.), as their development potential in the future cannot be underestimated.
Third, geographical diversification. The world is gradually moving away from the U.S. – centered pattern, which requires our investment portfolios to achieve a higher degree of geographical diversification. We can consider increasing investments in regions such as Asia and Europe to capture the economic growth opportunities in different regions and reduce dependence on a single market.
Fourth, pay attention to the trend of the Australian dollar. The Australian dollar will become an important link in transmitting these global changes. In the future, the performance of the Australian dollar against a basket of currencies (not just the U.S. dollar) will become more and more important. It will directly affect the returns of our overseas investments and import costs. We should pay more attention to the exchange rate fluctuation trend of the Australian dollar.
Risk Factors That Australian Investors Need to Be Alert To
Of course, risks are everywhere on the investment road. We must always be alert to the following risk factors:
First, fluctuations in U.S. policies. The instability of U.S. policies will affect global risk appetite, thereby impacting the valuation of the Australian stock market. We need to closely monitor the policy trends of the United States and adjust our investment strategies in a timely manner.
Second, an unexpected decline in the U.S. dollar. If the U.S. dollar falls more sharply than expected, it may disrupt the global financial market and cause losses to the overseas assets we hold.
Third, the escalation of geopolitical tensions in the Asia – Pacific region. This will directly affect Australia’s trade and national security, thereby having a negative impact on the performance of related industries and enterprises. We must be extra cautious when investing in these industries.
As an Australian investor, I deeply understand that in the current complex and changing global economic environment, only by continuously learning and analyzing market dynamics can we make more sensible investment decisions. I hope these thoughts and suggestions of mine can bring some inspiration to everyone. I also welcome everyone to share their views and investment experiences in the comment area and grow together on the investment road.