The Brief Tariffs introduced by President Trump are driving up costs for retailers, especially small boutiques. A Chicago shop owner says sudden price jumps on imports from Europe are eating into profits. Businesses across the country are feeling the effects of President Donald Trump's tariffs, and Chicago is no exception. Before recent changes, he says tariffs on goods from Europe were sitting well below 10 percent. What they're saying:As a result of Trump's tariffs, Lawson says he is already seeing an unavoidable ripple effect.