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Published on 18 September 2025•7 minutes

U.S. interest rates impact on global economy: a guide

Airwallex Editorial Team

U.S. interest rates impact on global economy: a guide

When the Federal Reserve adjusts interest rates, the ripple effects travel far beyond American borders. The September 2024 decision to reduce the federal funds target rate by 50 basis points marked a pivotal shift after two and a half years of aggressive monetary policy tightening ¹. This move signals more than just domestic policy change – it reshapes global capital flows, currency valuations, and economic strategies worldwide.

For businesses operating internationally, understanding these dynamics isn't optional. The U.S. economy expanded by 2.8% in 2024, more than double initial estimates, while the dollar appreciated around 7% due to macro conditions and geopolitical concerns ². These movements directly impact everything from import costs to cross-border payment strategies.

How U.S. interest rates shape global markets

The transmission mechanism

U.S. interest rate changes create immediate effects across global financial systems. When rates rise, capital flows toward dollar-denominated assets seeking higher returns. This strengthens the dollar and creates pressure on emerging markets. Brazil has already been forced to start hiking rates in response to currency weakness and market concerns about its fiscal position ³.

The mechanism works through multiple channels simultaneously. Currency markets react first, followed by bond yields, equity valuations, and commodity prices. Each adjustment creates cascading effects that businesses must navigate carefully.

Currency market dynamics

Expansionary U.S. fiscal policy and tariffs could both put upward pressure on U.S. inflation, potentially leading to sustained higher interest rates ³. This scenario typically strengthens the dollar initially, as investors seek higher yields. However, over the longer term, tariffs might reduce growth prospects in the U.S., which would tend to weaken the dollar.

For businesses managing international transactions, these currency fluctuations create both risks and opportunities. Companies need robust strategies to handle exchange rate volatility while maintaining operational efficiency.

Impact on emerging markets and developing economies

Central bank responses

Emerging market central banks face difficult choices when U.S. rates change. In the case of a hawkish Fed, this might put pressure on some emerging market central banks to maintain higher interest rates domestically ³. This creates a delicate balancing act between supporting domestic growth and maintaining currency stability.

Interestingly, in fundamentally stronger countries, including many in Asia, central banks have become more confident in moving ahead of the Fed due to the absence of systemic pressure on financial systems and with the development of deeper and more liquid local markets ³. This independence marks a significant evolution in global monetary policy coordination.

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Trade flow adjustments

During the first Trump administration, the most material increases in U.S. tariffs were on China. This led to a significant reduction in the share of U.S. imports directly sourced from China, but benefited some countries, notably Mexico and Vietnam, which saw their share of U.S. imports increase ³. These shifts demonstrate how interest rate policies combined with trade measures reshape global supply chains.

Countries such as Brazil were able to gain market share in China after it imposed retaliatory tariffs, targeted mainly on agricultural products, on imports from the U.S. ³. This rebalancing creates new opportunities for businesses willing to adapt their sourcing and distribution strategies.

Effects on international trade and investment

Cross-border payment evolution

International transfers are expected to increase five percent per year until 2027, despite economic uncertainties ⁴. This growth reflects the continuing globalization of business operations, even as interest rate differentials create new challenges.

Currently, 195 countries all have their own payments systems, regulations, and levels of technological maturity ⁴. This complexity means businesses need sophisticated solutions to manage international transactions efficiently. Modern payment infrastructure has evolved significantly – globally, 84 percent of payments are now either direct payments or they have one intermediary ⁴.

Small business adaptation

Two-thirds of business owners expect their revenue will increase over the next year, despite economic headwinds ⁵. However, 72% of small business owners expressed concern about a potential recession, while 76% of entrepreneurs believe their business is equipped to survive a recession ⁵.

Small businesses face unique challenges from interest rate changes. Small business hiring fell for the third consecutive month in July 2025 due to increased cost pressures and business uncertainty ⁶. Yet despite uncertainty, more small businesses were hanging 'help wanted' instead of 'out of stock' signs in May 2025, especially in the South ⁶.

Managing currency risk in a changing rate environment

Multi-currency account strategies

Businesses increasingly turn to multi-currency accounts to manage exchange rate volatility. These accounts allow you to receive, hold, and send funds in different currencies, providing flexibility in timing conversions ⁷. This capability becomes crucial when interest rate differentials create rapid currency movements.

Airwallex offers multi-currency accounts to receive funds, high-speed international transfers, multi-currency company & employee cards, expenses & reimbursement management, and automated accounts payable management ⁸. These tools help businesses maintain operational efficiency regardless of interest rate environments.

Timing and hedging considerations

Interest rate changes create windows of opportunity for strategic currency management. When U.S. rates rise relative to other countries, the dollar typically strengthens in the short term. Businesses can leverage this by timing their conversions strategically.

The key lies in maintaining flexibility. Airwallex's Global Accounts provide access to local account details around the world, enabling businesses to receive payments in local currencies without immediate conversion ⁷. This approach reduces exposure to unfavorable exchange rates during volatile periods.

Sector-specific impacts

Technology and digital payments

U.S. equities posted a second consecutive year of 20%+ return in 2024, a feat achieved only four times since the 1930s ². However, rate changes affect sectors differently. Technology companies, particularly those in cross-border payments, face both challenges and opportunities.

Real-time payments (RTPs) are expected to generate $173 billion in additional economic output by 2026, according to the Center for Economic and Business Research ⁴. This growth continues regardless of interest rate cycles, driven by fundamental business needs for faster, more efficient international transactions.

Manufacturing and supply chains

Tariffs directly lead to a rise in domestic inflation in the U.S. by raising the cost of imported goods ³. Combined with interest rate changes, this creates complex challenges for manufacturers with global supply chains.

Small businesses are more vulnerable to the impact of tariffs, facing higher costs of goods, supply chain disruptions, and reduced global competitiveness ⁸. These pressures intensify when interest rate differentials affect currency values, potentially doubling the impact on import costs.

Future outlook and strategic considerations

Policy trajectory

Additional rate cuts are expected due to recent inflation indicators being within the Fed's comfort zone and an increasing emphasis on supporting the labor market ¹. This shift suggests a more accommodative stance that could ease pressure on global markets.

President-elect Donald Trump has proposed four key economic policies: increasing tariffs (a threatened 60% on China and 10-20% on the rest of the world), reducing or reversing immigration, decreasing taxes, and reducing regulation ³. These policies could significantly impact interest rate trajectories and global economic dynamics.

Market resilience indicators

Emerging markets have proven resilient since the previous Trump presidency, enduring two regional wars and a pandemic ³. Most of the major emerging markets have lengthened the maturity profile of their debt and are issuing more now in local currency ³.

Corporate fundamentals are in good shape in emerging markets, especially when compared to developed market corporates ³. This strength provides a buffer against interest rate volatility and creates opportunities for businesses expanding internationally.

Practical strategies for businesses

Payment infrastructure optimization

According to data analytics company LexisNexis, up to 50 percent of payments that don't complete or are delayed are due to simple data entry problems ⁴. In an environment where interest rates affect currency values daily, payment accuracy becomes even more critical.

Businesses need robust payment systems that can handle multiple currencies efficiently. The HKD account offered by Airwallex comes with local Hong Kong bank and branch codes and a dedicated account number, enabling businesses to receive, manage, and send Hong Kong dollars with no hidden fees ⁹. Similar capabilities exist for Singapore dollars, with no account opening fees, monthly maintenance charges, or minimum transaction requirements ¹⁰.

Technology adoption for efficiency

89 percent of the payments that flow through the Swift network arrive at the destination bank within an hour ⁴. Half of these payments make it all the way to the beneficiary account in less than five minutes ⁴.

Speed matters when managing interest rate risk. Faster payment processing reduces exposure to currency fluctuations and enables businesses to capitalize on favorable rates. Modern solutions provide the agility needed in volatile markets.

Building financial resilience

On average, returns for large caps, mid caps, and small caps are positive in the 6-month, 12-month, and 24-month periods after the first rate cut in a rate cut cycle ¹. This historical pattern suggests opportunities for prepared businesses.

The key lies in maintaining flexibility and diversification. China in particular might deliver more fiscal easing, offsetting some of the headwinds from higher tariffs ³. Businesses positioned to adapt to these shifts can benefit from changing global dynamics.

Leveraging Airwallex for global financial management

Navigating the complex interplay between U.S. interest rates and global economics requires sophisticated financial tools. Airwallex provides comprehensive solutions designed for this challenging environment.

The platform offers a US Dollar business account that can be opened from Canada, complete with local US bank and branch codes and a dedicated account number ¹¹. This enables businesses to receive, manage, and send US dollars with no hidden fees, crucial when interest rate differentials affect conversion costs.

For broader international operations, Airwallex's United Arab Emirates Dirham business account provides similar capabilities, with no account opening fees, monthly maintenance charges, or minimum transaction requirements ¹². The ability to convert balances to different currencies provides the flexibility needed to respond to interest rate changes.

McLaren Racing modernized cross-border payments with Airwallex, while RYSE transformed complex cross-border finances into streamlined, cost-saving, and efficient global operations ¹³. These success stories demonstrate how proper tools can turn interest rate challenges into competitive advantages.

Conclusion

U.S. interest rate decisions create waves that reach every corner of the global economy. From emerging market central banks adjusting their own policies to small businesses managing currency risk, the impacts are profound and multifaceted. The initiation of a fed funds rate easing cycle is not a compelling reason to make drastic changes to strategic asset allocation positioning ¹. Instead, success comes from understanding these dynamics and implementing flexible strategies.

As international transfers continue their expected five percent annual growth until 2027 ⁴, businesses need sophisticated tools to manage the complexities of global finance. The combination of changing interest rates, evolving trade policies, and technological advancement creates both challenges and opportunities.

For businesses ready to thrive in this environment, Airwallex offers the comprehensive financial infrastructure needed to navigate interest rate impacts effectively. From multi-currency accounts to automated payment management, these tools transform complexity into competitive advantage. Explore how Airwallex can help your business manage the global impacts of U.S. interest rate changes at ¹⁴.

FAQ

How do U.S. interest rate changes affect emerging market currencies?

When the Federal Reserve raises interest rates, it typically strengthens the U.S. dollar as investors seek higher yields in dollar-denominated assets. This puts downward pressure on emerging market currencies, making their debt servicing more expensive and potentially triggering capital outflows. Conversely, when rates are cut, emerging market currencies often strengthen as investors seek higher returns in riskier markets.

What was significant about the Federal Reserve's September 2024 rate decision?

The Federal Reserve reduced the federal funds target rate by 50 basis points in September 2024, marking the first cut after two and a half years of aggressive monetary policy tightening. This larger-than-expected cut signaled a pivotal shift in monetary policy, with additional rate cuts expected due to inflation indicators being within the Fed's comfort zone and increased focus on supporting the labor market.

How do tariffs impact global currency markets and cross-border payments?

Tariffs directly increase domestic inflation by raising the cost of imported goods, which can influence central bank policy decisions and currency values. President-elect Trump's proposed tariffs of 60% on China and 10-20% on other countries could put upward pressure on U.S. inflation. This affects cross-border payment costs and currency exchange rates, making international business transactions more complex and expensive for companies managing global operations.

What tools can businesses use to manage currency risk in volatile markets?

Businesses can utilize global accounts in multiple currencies to reduce conversion costs and hedge against currency fluctuations. Modern financial platforms offer multi-currency accounts, such as HKD and SGD global accounts, allowing companies to hold funds in local currencies and make payments without constant currency conversion. These tools help businesses maintain better control over their international cash flow and reduce exposure to exchange rate volatility.

How do U.S. interest rate changes affect international trade flows?

U.S. interest rate changes influence global trade through multiple channels: they affect the dollar's strength, which impacts the competitiveness of exports and imports; they influence global liquidity conditions, affecting financing costs for international trade; and they can trigger shifts in global investment patterns. With international transfers expected to increase 5% annually until 2027, these rate changes significantly impact the $150+ trillion global cross-border payments market.

What should small businesses expect from changing U.S. monetary policy?

Small businesses should prepare for continued volatility as monetary policy shifts. While two-thirds of business owners expect revenue increases, small business hiring has fallen for three consecutive months due to cost pressures and uncertainty. Lower U.S. interest rates may provide some relief through reduced borrowing costs, but businesses should focus on maintaining diversified revenue streams and managing currency exposure if they operate internationally.

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Airwallex Editorial Team

Airwallex’s Editorial Team is a global collective of business finance and fintech writers based in Australia, Asia, North America, and Europe. With deep expertise spanning finance, technology, payments, startups, and SMEs, the team collaborates closely with experts, including the Airwallex Product team and industry leaders to produce this content.

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