Final answer:
In a booming economy, the United States will likely see an increase in both imports and exports due to higher demand for goods domestically and increased purchasing power among its trading partners.
Step-by-step explanation:
When an economy is experiencing a boom, both demand for goods and incomes generally increase. Based on point 16, in a booming global and U.S. economy, import sales will increase due to the heightened demand for goods. Additionally, if the economies of U.S. trading partners are also doing well, they will have more purchasing power and a higher demand for American products, resulting in an increase in U.S. exports. This scenario is supported by the economic principle that trade tends to expand when the economies of trading countries are growing. Conversely, during a recession as stated in point 15, consumer incomes fall, and both import and export activities typically decline.
Therefore, if the United States and the global economy are both booming, it is logical to conclude that the levels of both U.S. imports and exports will experience growth. This answers the initial question, concluding with a final answer of both imports and exports increasing.