Professor Hall research interests lie in two broad and occasionally intersecting areas: innovation and technological change in economic systems and economic issues relating to defence industry and defence industry innovation and policy. His books include Innovation, Economics and Evolution: Theoretical Perspectives on Changing Technology in Economic Systems (1994) and Defence Procurement and Industry Policy: A Small Country Perspective appeared (2010). Professor Hall's current research in innovation relates to the role of various forms of isolation in shaping the development of new technologies and products. The work seeks to apply recent insights in the biological theory of speciation to enhancing understanding of the innovation process. He is also undertaking work on defence offsets, the global small arms industry and the role of design in the innovation process.
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