“…In addition, in research at the level of firm behaviour, a survey of the definition and classification of off-site construction methods (Ayinla et al, 2019), the role of innovation brokers (Sergeeva and Liu, 2019) and the role and evaluation of iContract, an intelligent contracting technology (McNamara and Sepasgozar, 2020), a review of the use of VR to facilitate communication (Wen and Gheisari, 2020), technology management systems and practical guidance for physical-mechanical robotic systems (Linner et al, 2020), building information modelling (BIM), a review of public client initiatives on demonstrations (Lindblad and Gustavsson, 2021). And, in-depth research based on questionnaires and interviews with experts has been conducted, on real-world and impact studies on loosely coupled systems in construction (Sandberg et al, 2020), theories and case studies on the contribution of tact production to construction production flow (Lehtovaara et al, 2021), on lean procurement readiness (Suresh and Arun Ram Nathan, 2020), a discussion on barriers to adoption of building information modelling in small and medium-sized enterprises (SMEs) (Saka and Chan, 2020), an examination of lean building surveying services from a waste reduction perspective (Khan (Khan and Ali, 2020) and a study on collaborative procurement methods to mitigate claims and disputes (Elhag et al, 2020). Although we have surveyed these recent innovation-related studies to some extent as comprehensively as possible, there are not many studies that properly integrate and structure semi-macro, micro and expert-level research.…”