Final answer:
An international firm operates in multiple countries with a focus on its home country. A multinational firm operates in multiple countries with significant operations in several countries. A transnational firm operates globally without regard to national borders.
Step-by-step explanation:
International firm: A company that operates in multiple countries but with strong emphasis on its home country. It may have subsidiaries or branches abroad, but the majority of its operations are often centered in its home country.
Multinational firm: A company that operates in multiple countries and has subsidiaries or branches in different parts of the world. It conducts business without regard to national borders and may have significant operations in several countries.
Transnational firm: A company that operates in multiple countries, has subsidiaries or branches in different parts of the world, and conducts business without regard to national borders. Its operations, assets, and management are spread across various countries, and it may have a global strategy and a strong presence in multiple markets.