The one which not on Porter's Diamond model of National Advantage is: their home country's population.
Porter Diamond is a model which emphasizes the competitive advantage of an industry or business that makes it work better than other competitors in a region or country. Also known as the Porter Diamond Theory of National Advantage, the model explains why certain industries thrive in particular nations.
The Porter Diamond model explains the factors which can drive competitive advantage for one national market or economy over another. There are 4 attributes of Porter's Diamond model, those 4 factors are: firm strategy, structure and rivalry; related supporting industries; demand conditions; and factor conditions.
Learn more about Porter's Diamond at: https://brainly.com/question/29603612
#SPJ4