What type of knowledge spillover takes place more effectively in localized industrial clusters? Part 2 The knowledge spillover that takes place more effectively in localized industrial clusters is A. the acquisition of technology through research and development by the companies located in those clusters. B. the reverse engineering of competitors' products by the companies located in those clusters. C. the informal exchange of information and ideas at a personal level when employees of different companies in those clusters mix socially and talk freely about technical issues. D. the formal exchange of information and ideas with a wide variety of conference participants from other geographic areas who are attracted to the relatively low cost conference centers located within clusters