... central role in the spillover of knowledge, and ultimately, economic growth.ACKNOWLEDGEMENTSThis book is the result of the workshop The Role of Labour Mobility and Informal Networks for Knowledge ... Thus, the probability of starting a new firm, Pr(s), can be represented as THE ROLE OF LABOUR MOBILITY AND INFORMAL NETWORKS FOR KNOWLEDGE TRANSFER DAVID B. AUDRETSCH AND MAX KEILBACH17 The model ... basis for explaining the determinants of economic growth. The focus on labor and capital as the primary factors of production, and the general exclusion or trivialization of the role of knowledge, ...