Why are trade barriers imposed on the foreign trade and investment in a country?

Why are trade barriers imposed on the foreign trade and investment in a country? Explain with the help of two illustrations.

Answer:
Trade barriers are used by the governments -

  • To increase, decrease or regulate foreign trade.
  • To decide what kinds of goods and how much of each, should come into the country.
  • To protect the producers within the country from foreign competition.