The theory of , developed by Michael Porter, focuses on the importance of country factors such as domestic demand and domestic rivalry in explaining a nation's dominance in the production and export of particular products.

The theory of national comparative advantage

Explanation:

The theory of National comparative advantage developed by Micheal porter,  emphasizes on the importance of country's factors such as domestic demand and domestic rivalry in explaining a nation's dominance in the production and export of particular products.

It focuses on key concepts such as Firm Strategy, Structure and Rivalry; Factor Conditions; Demand Conditions; and Related and Supporting Industries.

Micheal porter opined  that any company’s ability to compete in the international arena is based mainly on these interrelated set of location advantages that certain industries in different nations posses.  

National competitive advantage

Explanation:

The national competitive advantage is a model that explains why some industry in a particular country cannot see the king of England. It states that the features of home country are crucial for the success of an organization in the international markets. It is also known as Diamond theory. The competitive advantage theory indicates that states and businesses should pursue policies that create high-quality goods to sell at high prices in the market.

answer; ///i believe that the correct answer is (post conventional)