Canada's ambassador to the U.S., Mark Wiseman, warned that President Donald Trump's tariffs are driving up investment costs and discouraging business expansion, as new Federal Reserve research points to more price hikes for American consumers next year.
Review Highlights
- Canada's ambassador to the U.S. warned that Trump's tariffs are driving up investment costs and discouraging business expansion.
- New Federal Reserve research points to more price hikes for American consumers next year.
- The two countries exchanged roughly $570 billion in goods during the first nine months of 2026, according to U.S. Census Bureau data.
Canada's Ambassador Warns of Tariff Consequences
Mark Wiseman, Canada's ambassador to the U.S., spoke at the B20 summit in Washington, D.C., on Nov. 11, 2026, warning that Trump's tariffs are driving up investment costs and discouraging business expansion. Wiseman, a former BlackRock executive, emphasized the importance of certainty in business decisions, stating that uncertainty increases the cost of capital.
Wiseman's warning comes as Washington and Ottawa struggle to resolve a tariff quarrel affecting one of the U.S.'s largest trading relationships. The two countries exchanged roughly $570 billion in goods during the first nine months of 2026, according to U.S. Census Bureau data.
Tariff Costs Passed on to U.S. Importers
An October study by New York Fed researchers found that nearly 90% of tariff costs were passed on to U.S. importers, with about a quarter of tariff increases eventually reaching consumer goods prices. This trend is expected to continue in 2027, with further price pressures anticipated.
The findings come as Labor Department data showed consumer prices rose a higher-than-expected 0.4% in October, adding to inflation concerns after Republicans' sweeping midterm losses.

Trump's Tariffs and the Impact on U.S. Investment
Trump has defended his tariffs as necessary to protect U.S. manufacturers and workers, accusing Canada of discriminatory trade practices that disadvantage U.S. exporters. However, Wiseman called for the removal of tariffs imposed under Sections 232 and 338 of U.S. trade law, saying a resolution would help businesses make long-term investment decisions.
The two governments have resumed negotiations after talks collapsed in August, with discussions focused on reducing tariffs on Canadian steel and automobiles. Trump has imposed duties of up to 50% on certain Canadian products, prompting retaliatory measures targeting billions of dollars in U.S. exports.
What's Next for U.S.-Canada Trade Relations?
The tariff quarrel between the U.S. and Canada is a complex issue with far-reaching implications for both countries. As negotiations continue, it remains to be seen whether a resolution can be reached that benefits both parties.
Wiseman's warning highlights the need for a resolution to the tariff issue, which is essential for businesses to make long-term investment decisions. The outcome of these negotiations will have significant implications for the U.S. economy and trade relations with Canada.
Common Buyer Questions
What is the current state of U.S.-Canada trade relations?
The two countries are engaged in ongoing negotiations to resolve a tariff quarrel affecting one of the U.S.'s largest trading relationships.
What are the implications of Trump's tariffs on U.S. investment?
Trump's tariffs are driving up investment costs and discouraging business expansion, according to Canada's ambassador to the U.S.
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