A common tool for restricting trade through taxation is:

a tariff.

immigration restrictions.

international waters use policies .

quota.

when interest rates in the U.S. decline, we can expect capital:

inflows and outflows to decrease.

inflows and outflows to increase

inflow to decrease and outflow to increase

outflow to decrease and inflow to increase

The balance of payment is

the accounting of trade in financial assets

the accounting of trade in goods and capital

positive when a country has a trade deficit

negative when a country has a trade surplus