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Tariffs: When Trump’s trade war rocks the global economy

President Trump’s aggressive trade war tactics once billed as a bold push to “level the playing field” with China have boomeranged into a textbook case of diplomatic overreach. In April 2025, with tariffs peaking at an astonishing 145% on Chinese imports and up to 50% on goods from 57 countries, the global economy reeled under the weight of weaponized trade. The so called “Liberation Day” duties, cloaked in the language of American sovereignty and industrial revival, triggered a retaliation cycle that plunged major economies into turmoil. Yet, just as quickly as the fire was stoked, talks in Switzerland ushered in a dramatic pivot, bringing tariffs on Chinese goods back down to 30%, and on U.S. goods to 10%, temporarily suspending the harshest measures.

The White House celebrated it as a win: economic leverage had forced Beijing back to the table. But even with the rollback, the fallout was far from over. Tariffs remained elevated, and supply chains remained tangled. Markets cheered, yes Dow, S&P, and Nasdaq rallied over 2.5% but deeper structural damage lingered beneath the relief rally. For businesses, investors, and international delegates gathering in Washington for the IMF-World Bank Spring Meetings 2025, the new landscape was one of uncertainty, fragmentation, and rising mistrust. Nowhere was this more apparent than in the quiet corridors of those meetings, once bustling with backroom deals and multilateral resolve, but in 2025, conspicuously subdued. 

A Clouded Spring

The 2025 IMF-World Bank Spring Meetings, should have been a platform for consensus and coordination. Instead, they became a case study in diplomatic disengagement. Attendance from key delegations was notably thin. High-level representation from China, Canada, Mexico, and several ASEAN nations were either delayed or absent altogether. A number of finance ministers and trade envoys opted for virtual attendance or dispatched deputies instead, citing “logistical challenges “a diplomatic euphemism, insiders say, for a lack of faith in the United States’ commitment to the multilateral system.

Even those who showed up struggled to secure meaningful engagement. U.S. Treasury Secretary Scott Bessent, a central figure in shaping tariff policy, proved elusive. Meetings were either postponed or unproductive. Delegates described encounters as “cordial but vague,” with American officials offering little clarity on long-term trade intentions. As one African delegate quipped off record: “We came to plan our future, not decode D.C.’s tantrums.”

The protectionist atmosphere sapped energy from the agenda. Development financing, climate lending frameworks, and debt sustainability staple topics at the Spring Meetings were overshadowed by the tariff drama. The IMF’s freshly downgraded global growth forecast (from 3.1% to 2.8%) set the tone: uncertainty had replaced ambition. For many nations, especially emerging economies, the costs of U.S. tariffs were not abstract, they were already being felt in reduced aid flows, supply disruptions, and falling export volumes.

Economic Blowback

The rollback in tariffs may have provided temporary relief, but the damage had already been done. According to the Penn Wharton Budget Model (PWBM), the 2025 tariff package, despite generating an eye-popping $5.2 trillion in projected federal revenue over a decade, will reduce long-run U.S. GDP by 6%, slash wages by 5%, and cost a typical middle-income household $22,000 over their lifetime. When adjusted for economic behavior and feedback loops, revenue gains fall to $4.5 trillion, revealing a staggering inefficiency in the tariff mechanism.

Whether the tariffs were absorbed by consumers, producers, or split down the middle, the result was the same: less investment, more uncertainty, and lower growth. Under a model where consumers bore the full brunt, consumption dropped 3.5% by 2030 and 3.3% by 2054. The capital stock essentially the productive backbone of the economy declined nearly 10%, with wages following suit. While public debt shrank by over 11%, the trade-off was a withered economic base.

The international consequences were equally grim. As U.S. imports collapsed, so too did the capital inflows that typically accompany them. Foreign investors once major buyers of U.S. debt pulled back, forcing domestic savers to pick up the slack. The result was a crowding-out of private investment, a trend that eroded productivity gains and threatened long-term prosperity. Most trade models, focused narrowly on tariffs’ effects on goods, missed this deeper macroeconomic story: one of retreat, retrenchment, and reallocation of capital away from innovation.

Spring Meetings in the Shadow of Tariff NationalismTariffs have already caused huge changes, including low turnout at the 2025 IMF-World Bank Spring Meetings . What made the 2025 Spring Meetings so unusual wasn’t just the weakened attendance or vague communiqués; it was the erosion of trust. For many participating nations, U.S. behavior signaled a break from its historic leadership role in the global economic order. Instead of championing liberal trade and multilateral engagement, the United States seemed to be retreating behind tariff walls, leaving its partners to pick up the pieces.

This retreat wasn’t merely rhetorical. Behind closed doors, delegates complained of American unilateralism, dismissive attitudes toward debt negotiations, and the growing perception that Washington now viewed international forums as tools of leverage rather than venues for consensus. As one Latin American central banker put it, “If the U.S. walks out of the room, the rest of us still have to find a way to talk to each other.”

From Predictable to Political: The Role of Policy Uncertainty

One of the most insidious effects of the 2025 tariffs was the spike in economic policy uncertainty (EPU). The index surged to levels not seen since the early COVID-19 pandemic, reflecting investor anxiety and corporate indecision. Firms delayed capital spending. Households deferred major purchases. And in aggregate, investment fell by 4.4% in 2025 alone—a critical year for global recovery.

Even if uncertainty subsides by 2027, as the PWBM assumes, the cumulative impact is severe. Recovery isn’t instantaneous. Delayed investment has compounding effects: missed innovation, slower job growth, and diminished global competitiveness.

The burden of this uncertainty wasn’t distributed equally. Older, wealthy households—those with greater exposure to financial markets—took heavy losses, with some losing up to $31,900. But younger cohorts suffered as well. For newborns, lifetime losses from the tariffs range between $12,800 and $22,200. The tariffs, touted as a tool for national renewal, proved instead to be a regressive policy instrument that hurt nearly every demographic and hit the most vulnerable in ways that will echo for decades.

Broad Fallout

By the close of the 2025 IMF-WBG Spring Meetings, it was clear the fallout from U.S. tariffs was no longer just a trade issue. It had metastasized into a full-blown crisis of multilateral confidence. Many nations, particularly in the Global South, began floating the unthinkable: a world where coordination happens in spite of, not through, Washington.

In the halls of the World Bank, where climate finance negotiations typically dominate, a new conversation was taking shape one centered around alternative financial architectures. Delegates from Brazil, South Africa, and Indonesia proposed reviving South-South financing instruments. At a side event hosted by the African Development Bank, the idea of a non-dollar settlement system for cross-border trade was met with cautious optimism.

While none of these proposals amounted to immediate structural shifts, they were symptomatic of a deeper impulse: to reduce exposure to U.S. economic coercion. When a single country can unilaterally disrupt half the world’s supply chains or deny access to semiconductors, sovereign risk becomes existential. Even among U.S. allies, the unease was palpable. South Korea and Germany, two nations caught in the crossfire of U.S. tariffs, openly questioned the reliability of American strategic commitments, not in defense, but in trade.

Europe, meanwhile, played both sides. Brussels dispatched envoys to quietly probe joint frameworks with ASEAN and AU member states, while still advocating for transatlantic cooperation. But the EU’s tone was notably more independent than in previous years. “We must ensure a rules-based system survives beyond any one administration,” a senior EU commissioner told reporters, pointedly.

For developing countries already grappling with ballooning debt, many still reeling from pandemic-era borrowing, the tariff shocks and diminished aid flows were a one-two punch. According to the World Bank, 63 countries are now at risk of external debt distress. Talks to restructure these obligations have stalled, in part because the U.S. has grown hesitant to underwrite relief while locked in commercial combat with China, a major bilateral lender.

China, for its part, has used this vacuum to expand its Belt and Road refinancing schemes, drawing criticism but also desperate participation. Zambia, Sri Lanka, and Pakistan all countries previously flagged for debt sustainability risks entered new yuan-denominated swap arrangements in April, bypassing Western financial institutions.

This growing bifurcation between Western-led Bretton Woods institutions and Beijing-backed alternatives was once considered a risk on the horizon. Now it is playing out in real time. The 2025 Spring Meetings were supposed to address this trend. Instead, they amplified it.

Markets Rally, But Fundamentals Falter

Back on Wall Street, investors were quick to interpret the rollback of U.S.-China tariffs as a sign of market normalization. Equities soared, bond yields dipped, and tech stocks in particular enjoyed a strong rebound. But under the surface, all was not well. The volatility index (VIX) remained elevated. Corporate earnings forecasts, especially among logistics, manufacturing, and automotive sectors, were revised downward.

Apple, which sources more than 40% of its components from Southeast Asia and China, warned in its Q1 guidance that “persistent policy instability” could shave 3–4% off year-end earnings. Ford and GM, both of which had faced tariff spikes on electric vehicle components and batteries, also revised outlooks, citing “regulatory unpredictability” as the single largest external threat to profitability.

Bond markets, too, signaled concern. The yield curve remained flat through April, despite the Fed holding rates steady. Analysts from JPMorgan and Barclays noted that long-term investor sentiment had “decoupled from short-term relief,” suggesting the rally was more of a sugar high than a sustainable trend.

Conclusion

Tariffs, once thought to be temporary pressure valves, are now embedded in the architecture of American economic policy. And their ripple effects are not just fiscal or trade-related—they’re diplomatic, ideological, and generational.

If there was one consensus among the fractured delegates in Washington, it was this: the world can no longer count on the United States as a predictable partner. Whether that loss is permanent or merely symptomatic of a turbulent phase remains to be seen.

But either way, the world is already adjusting.

Written by Olivier Noudjalbaye Dedingar, USA/UN Correspondent.

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Olivier Noudjalbaye Dedingar

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