The Time and Frequency of Unrelated Diversification
Flavio L. Pinheiro, Dominik Hartmann, Ron Boschma, Cesar A. Hidalgo
Research Policy, vol. 51, 2022, p. .

What Drives the Geography of Jobs in the US? Unpacking Relatedness
Teresa Farinha, Pierre-Alexandre Balland, Andrea Morrison, Ron Boschma
Industry And Innovation, vol. 26, 2019, p. 988-1022.