_________ is the lifeblood of virtually all modern, developed and developing economics.
Internal trade
International trade
Only a
None of these
_________ provides an important liuk between developed and developing economics.
Balance of payments
Trade
Both a and b
The two country-two commodity model, Ricardo's trade theory assumed that production is subject to
Increasing returns
Diminishing returns
Constant returns
All of the above
A duty according to the value of the commodity?
Specific tariff
Import duty
Quota
Ad valorem tariff
GDP evaluated at prevailing current prices is known as _______________
GDP deflator
Real GDP
Nominal GDP
