Growth–share matrix


The growth–share matrix (also known as the product portfolio matrix, Boston Box, BCG-matrix, Boston matrix, Boston Consulting Group portfolio analysis and portfolio diagram) is a matrix used to help corporations to analyze their business units, that is, their product lines.

The matrix was initially created in a collaborative effort by Boston Consulting Group (BCG) employees. Alan Zakon first sketched it and then, together with his colleagues, refined it. BCG's founder Bruce D. Henderson popularized the concept in an essay titled "The Product Portfolio" in BCG's publication Perspectives in 1970. The matrix helps a company to allocate resources and is used as an analytical tool in brand marketing, product management, strategic management, and portfolio analysis.

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