What is the Porter Diamond model? He was known as diamond model by anyone or the public. The diamond model is one of the economic models developed by Porter in 1990 under his name. Nation's 'Competitive Advantage', where he published his theory. The theory was founded by Michael Porter and has only been used by some industries, where it will be more competitive in some specific locations. Michael Porter's theory is why particular industries become more competitive in some particular locations. This theory is also very effective in providing healthy competition in the industry at this time. This theory was also developed personally by Porter. It is very important for some industries who know that they will be deepened and become more competitive in these locations. This theory plays an important role in criticizing or becoming a way for the industry to grow their businesses in certain locations. Furthermore, the diamond model helps to understand the comparison between the position of some countries in the sector in the global competition which is very rapid. Porter's diamond model has four phases in their model. First, are the factor conditions. This factor is very important for the development of the sector. Secondly, the conditions of the application. The request for conditions is also important to influence the demand of both parties. Third, related and supporting industries. Supporting certain sectors also plays an important role in the economic growth of advanced and rapid countries. Support from any of the related parties could help provide ideas that can develop the industry. This way the industry would be more efficient without any problems. Finally, firm strategy, structure and rivalry. Business strategy is also important…middle of paper…limited. Later Rugman will appear who will provide a new, more innovative and relevant concept or idea in the form of a small open economy called "double diamond". For example, in the case of Canada, integrated diamonds from North America, including both Canada and the United States, and not just Canadian sake, are more relevant. Two diamonds, which have awakened Rugman and D' Cruz from criticism. Strengthening these directors is necessary if both internal and external countries do not compete in global rankings in terms of director engagement. Existence, profits and growth. Although Rugman and D' Cruz work in the North American diamond shape, it corresponds to the ubiquitous party like Canada and New Zealand. But it doesn't hurt small countries like Korea and Singapore. Works CitedWikipedia.org, Diamond Model.