The motivation for this paper comes from the recognition that our understanding of specialisation might be too simplistic and that the dichotomy of specialisation and diversification could be outdated not reflecting the richness of real complex economic and technological relations among industries. Drawing on a qualitative study of the Hamburg Aviation (HAv) cluster, this paper discusses the peculiarities of a cluster profile in the digital time – the age of Industry 4.0 (I4.0), touching upon the issues of cluster structure and the complexity of production, synchronising specialisation with diversification, branching, and bridging, and the I4.0 attributes facilitating complementarity. The final research proposal, which is empirically embedded in the studied context, states that related variety encompassing both ‘specialisation in diversification’ and ‘diversification within specialisation’ can be further developed by a blending process. This can lead to branching and is modulated by the universal character of the I4.0 and a problem-solving attitude. It takes the form of an additive (new entries) or multiplicative (spinoffs) evolution, and, ultimately, owing to the complementarity, it can provide sustainable competitive advantages.
The article examines the integration of the video game sector into regional innovation policy in Poland, using Greater Poland [Pol. Wielkopolska] as a case study. The analysis focuses on the relationship between the expansion of the game development (‘gamedev’) industry and the priorities of the Smart Specialisation Strategy (RIS 2030). The mixed-method approach was employed, combining quantitative analysis (data on microenterprises, students, and graduates by ISCED fields) with qualitative research (a review of educational offerings and infrastructure supporting the sector). The study is complemented by a content analysis of the RIS strategy and the mapping of potential links between the video game sector and the existing regional specialisations. The findings reveal the presence of a well-developed yet spatially concentrated gamedev ecosystem in the region, alongside its absence from formal innovation policy frameworks. The article concludes with proposed integration scenarios and recommendations for future directions of support for the video game sector within the RIS.