Suppose the U.S. economy starts at a long-run equilibrium. Then the government decides to implement a tariff on imported steel and aluminum, hoping to shrink the size of the trade deficit. In the long-run, we expect this trade policy ____real GDP; and the real exchange rate would ____ compared to the initial long-run equilibrium. does not change; appreciate. increases; depreciate. decrease; depreciate. increases; appreciate. does not change; depreciate