The economic ties between the United States and Mexico, once heralded as a model of intercontinental cooperation, now find themselves under strain as both nations face the threat of escalating tariffs. These tariffs, though often seen as a tool of political leverage, carry deep and far-reaching consequences for both countries, not just in terms of trade deficits but also in terms of jobs, prices, and the overall economic stability of North America.
Since the passage of the North American Free Trade Agreement (NAFTA) in 1994, the U.S. and Mexico have become intricately linked through trade and commerce. The elimination of tariffs under NAFTA opened the floodgates for businesses to invest across the continent, creating one of the world’s most seamless cross-border markets. However, this relationship was never without its tensions. Disagreements over specific sectors, such as agriculture, textiles, and, more recently, the automotive industry, have led to intermittent trade spats, but nothing quite as severe as the widespread tariff threats under the Trump administration. Trump’s unilateral decision to impose 25% tariffs on Mexican and Canadian goods was a direct challenge to the status quo, one that sent shockwaves through industries on both sides of the border.
Mexico’s cautious retaliation risks a dangerous trade escalation. President Claudia Sheinbaum’s warning that “one tariff will follow another” highlights the threat to integrated supply chains crucial for industries like automotive, agriculture, and electronics. With Mexican automotive exports to the U.S. totalling $30 billion in 2020, tariffs could raise consumer prices, reduce competitiveness and harm economic growth in both nations.
The escalating tensions stem from trade imbalances, with Donald Trump’s push for higher tariffs aimed at addressing a perceived “one-sided” U.S.-Mexico trade deal. However, this overlooks the mutual benefits of economic integration, where U.S. businesses rely heavily on Mexico’s labour force.
Historical precedents for tariff wars between the U.S. and Mexico offer further insight into the current situation. During the early 20th century, the U.S. imposed tariffs on Mexican agricultural exports, leading to retaliatory measures that sparked tensions between the two nations.
These spats, while damaging, never reached the scale of the contemporary trade wars sparked by Trump’s administration. Yet, the pattern of escalating tariff wars—where one side imposes duties in response to perceived unfairness, only for the other side to retaliate—has long been a feature of the bilateral relationship. Under the Trump administration, the dialogue shifted from negotiations and dispute resolution to an all-out tariff threat, one that put not just trade but political relations at risk.
For Mexico, the stakes are particularly high. The country has relied on the U.S. market for decades as a primary export destination, especially for oil, agricultural products, and manufactured goods. Mexico is the third-largest trading partner of the United States, and trade with the U.S. represents roughly 80% of Mexico’s exports. Disrupting this flow could not only destabilize the Mexican economy but could also erode the political stability that comes with a thriving trade relationship.
Moreover, tariffs would likely lead to broader regional instability. The knock-on effects of such a move would be felt not just in North America but across global markets, where both countries hold considerable sway.
The historical lesson is clear: trade wars rarely end well. While tariffs may offer short-term political victories, the long-term economic damage they cause often outweighs the supposed benefits. Both nations—tied together through decades of investment, trade agreements, and shared economic interests—stand to lose more than they gain from a return to protectionism. The United States and Mexico must look beyond the rhetoric of tariffs and focus on the pragmatic, cooperative approach that has, for the most part, defined their relationship since NAFTA’s inception.
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