legal and political differences
quotas
limits on importing a specific product class
protects domestic industries
embargo
forbidding trade from a nation or of a particular good
ex. US vs North Korea
tariffs
tax on imported goods
protects domestic producers
raises gov revenues
subsidies
gov pays to help a domestic business to compete with foreign firms
ex. agriculture
low interest loans/other things
local content laws
insists for at least part of the product be made in foreign country
result: joint ventures/FDI