The goods and services from one political region may be prohibited from entering or leaving a market
Tariffs
Non Tariff Barriers (NTBs)
Quotas
Annotations:
specific limits on the quantity of imports or their value.
Subsidies
Annotations:
payments made to particular industries to help them to be competitive on the international market. Examples of subsidies include depreciation allowances, cash grants and tax holidays.
Administrative Regulations
Annotations:
include bureaucratic procedures, systems of advance payment, minimal domestic content rules, special marketing standards and health and safety provisions.
Currency Controls
Annotations:
limit the availability of foreign currency for the purchase of foreign goods.
Voluntary Export Restraints
Annotations:
whereby one country agrees to limit its exports to a third country (or countries). This agreement is usually made because the importing country (countries) threatens to place barriers against the goods of the exporting country.
The Medium of
Exchange
Liberal
Comparative Advantage
Countries will be better off if
they specialize in what they are
relatively good at