What would each of the following events do to the terms of trade of the importing country and the exporting country, other things being equal?
a- A blight destroys a large part of the coffe beans produced in the world.
b-The koreans cut the price of the steel they sell to Canada.
c-General inflation of 10 percent occurs around the world.
d- Violation of OPEC output quotes leads to a sharpfall in the price of oil.