Comparative Advantage:Comparative advantage is the ability of a country to produce a good or service at a lower opportunity cost than another country. This is different from absolute advantage, which is based solely on productivity.
Production Possibilities Frontier (PPF): The PPF represents the maximum combinations of two goods that an economy can produce given its available resources and technology. It illustrates the concept of opportunity cost and how countries can benefit from trade based on their absolute or comparative advantages.
Trade Balance:The trade balance is the difference between a country's exports and imports. It is a measure of a country's international competitiveness and can be influenced by factors like absolute and comparative advantage.