How do changes in various economic factors affect the U. current account balance. Why will U. tariffs not necessarily reduce a U. balance-of-trade...

How do changes in various economic factors affect the U.S. current account balance.

Why will U.S. tariffs not necessarily reduce a U.S. balance-of-trade deficit.

Why does a global recession like that in 2008-2009 might encourage some governments to impose more trade restrictions.