"Clusters can be likened to the living organisms in the rainforest populated by a vast number of species with wide range, such as the parasite, the predator, the symbiont, and the table companion. In the rainforest internal design, which means relationships, is what is valuable. The quality of relationships in a cluster is heavily affected by social capital, which tends to reflect the special characteristics of a particular cluster community in terms of mores, manners, and in the hearts and minds of those who live in it. Social capital thus differs from cluster to cluster, and each cluster is unique – as is the case in a rainforest, where only one of two identical organisms survives. Clusters are “one-of-a-kind,” and not “one-size-fits-all,” living organisms."
This is in a nutshell how Piero Formica, Founder of the International Entrepreneurship Academy, Professor and Senior Research Fellow, at the Innovation Value Institute, Maynooth University, Ireland, presents the book he co-authored with Thomas Andersson, Chairman of the International Organisation for Knowledge Economy and Enterprise Development (IKED) and Martin Curley, Senior Vice President of MasterCard, "Knowledge-Driven Entrepreneurship".
The book 'Knowledge-Driven Entrepreneurship" offers in the chapter dedicated to clusters an abridged and updated version of 'Industry and Knowledge Clusters' , Tartu University Press, 2003.
For those interested in finding more on bridging knowledge and entrepreneurship, this is an interesting reading.