Bangladesh, Oct. 20 -- The economic principle popularized by economist Arthur Laffer is straightforward: when governments tax an activity more heavily, they often discourage it. That principle deserves particular attention when the products being taxed are essential to diagnosing diseases, treating patients and extending human life. President Donald Trumps tariffs on medical technology risk raising healthcare costs, disrupting international supply chains and discouraging innovation-not only in the United States, but potentially across the global healthcare system.

Trump has frequently emphasized the importance of lowering prices for American consumers. Tax reductions, deregulation and greater transparency can help advance that objective....