Charts of the Week: Tariff Truce, Tenuous Trust

China-US shipping activity The economic fallout from escalating US-China trade tensions is becoming increasingly visible in the data. A clear example is the chart below, which highlights a sharp drop in vessel arrivals at the ports of Los Angeles and Long Beach, along with a notable decline in ships waiting offshore. These trends point to a tangible weakening in bilateral trade flows, as the effects of tit-for-tat tariffs imposed by both countries begin to bite. Given the outsized role the US and China play in global commerce, this slowdown is likely to reverberate through global supply chains, weighing on trade volumes, dampening demand, and curbing economic growth worldwide.

GDP growth in Q1 Data this week showed that the US economy contracted, albeit modestly, in Q1 even as the euro area recorded a modest expansion—an unusual divergence. The contraction in US GDP can be largely attributed to a sharp increase in imports, as firms rushed to front-load purchases ahead of anticipated tariff hikes. In addition, domestic demand was subdued, with weaker contributions from both consumer spending and government consumption. This decoupling between the US and euro area economies is particularly striking given the current global focus on the US dollar. While the euro area has shown unexpected signs of resilience, the US downturn raises important questions about its underlying momentum, especially as trade dynamics and policy uncertainty continue to cloud the outlook.

The US dollar versus yield differentials Chart 3 below illustrates a sharp breakdown in the correlation between the US-Germany 10-year yield differential and the EUR/USD exchange rate. Historically, the dollar has moved closely with interest rate spreads, as yield-seeking capital flowed into US assets. But since early 2025—and more acutely following the April tariff actions—the dollar has weakened markedly even as the yield spread has narrowed only modestly. This decoupling underscores a critical shift: capital markets are reacting not just to monetary policy, but to rising trade and geopolitical uncertainty. In other words, the exchange rate is now being driven as much by risk sentiment as by interest rate arbitrage.

The US economy’s structural outperformance and the dollar A second dynamic, captured in the next chart, reveals a tight correlation between the US real effective exchange rate and the potential GDP growth differential between the US and euro area over the past 50-60 years. This raises the question: has dollar strength (until recently) merely been a reflection of US growth leadership—or are capital inflows themselves helping to sustain this growth outperformance? In effect, the tail may be wagging the dog. Global investors have long allocated capital to the US, attracted by its macroeconomic resilience, technological leadership, and deep, liquid financial markets. The danger now is that the US trade war may disrupt this equilibrium. A sharp or sustained reduction in capital inflows could undermine growth, weaken the dollar, and trigger broader financial instability. Moreover, reversing this dynamic is not straightforward—barring a credible structural resurgence in European (or Asian) growth, the global investment landscape remains tilted toward the US.

US competitiveness versus Europe, China and Japan The next chart below examines relative unit labour costs across major economies since 2011. The US and China have seen a broadly similar trajectory, with steady increases in relative cost structures, while the euro area has remained flat and Japan has seen dramatic improvement. This suggests that, from a cost competitiveness standpoint, the US is not uniquely disadvantaged vis-à-vis China. However, as we discuss further below, this parallel erosion of cost competitiveness is occurring at much higher nominal wage levels in the US, which blunts its ability to regain export share through tariff-related shifts alone. The trade war strategy—absent a corresponding improvement in productivity or structural reforms—risks imposing costs without delivering material competitiveness gains.

Average wages in selected developed and developing economies This point is reinforced by the final chart, which shows estimates for average monthly wages across countries in 2024. US labour remains much more expensive than in peer or emerging economies. So even if China’s costs rise in tandem with the US, the global supply chain has ample alternatives. 'China plus one' strategies are accelerating, and the US remains structurally misaligned with low-cost production hubs. Tariffs aimed at reshoring supply chains are unlikely to deliver sustained gains unless accompanied by deep supply-side reforms, and risk further disincentivizing foreign direct investment if global firms perceive US trade policy as erratic or punitive.