Product portfolio matrix

Henderson, B. D., The Experience Curve Reviewed The Growth Share Matrix of the Product Portfolio, Perspectives (1973). 

The product portfolio analysis has two different indicators market share and market growth. Products are placed within this matrix according to these indicators. The optimal strategies can be depicted from the matrix, in which case the... 

A number of approaches seek to segment suppliers into categories. The purchase portfolio matrix presented in Figure 9.2 is based on the notion that a customer will seek to maximise purchasing power when it can. This approach assumes that the key factors that affect the relationship are the strength of the buying company in the buyer-supplier relationship, and the number of suppliers able and willing to supply a product in the short term. 

It should be obvious that the production of MV portfolios is not extraordinarily input intensive. Efficient frontiers for five asset portfolios require only five predicted returns, five standard deviations, and a five-by-five symmetrical matrix of correlation coefficients. Yet the process yields indispensable information that allows investors to select suitable portfolios. 

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