Increasingly firms are moving away from the 'closed innovation paradigm' in which most R&D is carried out in-house, in isolation and secrecy, to a more open way of working in which firms actively collaborate with other companies and institutions. Although this 'open innovation' is receiving more attention in academic research, the existing literature is largely qualitative and focused on the practices of high-technology multi-national firms and generally ignores the work being carried out in this area by SMEs. Using a combination of theory and cutting edge empirical (quantitative) investigation, Pooran Wynarczyk strives to address this major gap in current literature.