The U.S. dollar plays a key role in international trade invoicing along two complementary dimensions. First, most U.S. exports and imports are invoiced in dollars; second, trade flows that do not involve the United States are often invoiced in dollars, a fact that has received relatively little...

As banking has become more globalized, so too have the consequences of shocks originating in home and host markets. Global banks can provide liquidity and risk-sharing opportunities to the host market in the event of adverse host-country shocks, but they can also have profound effects across...