Microsoft

Campbell-Kelly, Martin and Garcia‐Swartz, Daniel D. (2010) The move to the middle : convergence of the open‐source and proprietary software industries. International Journal of the Economics of Business, Vol.17 (No.2). pp. 223-252. doi:10.1080/13571516.2010.483091

Campbell-Kelly, Martin and Garcia-Swartz, Daniel D. (2009) Pragmatism, not ideology : historical perspectives on IBM's adoption of open-source software. Information Economics and Policy, Vol.21 (No.3). pp. 229-244. doi:10.1016/j.infoecopol.2009.03.006

Microsoft Corporation

Campbell-Kelly, Martin and Garcia-Swartz, Daniel D. (2008) Economic perspectives on the history of the computer time-sharing industry, 1965-1985. IEEE Annals of the History of Computing, Vol.30 (No.1). pp. 16-36. doi:10.1109/MAHC.2008.3

Campbell-Kelly, Martin, Garcia-Swartz, Daniel D. and Layne-Farrar, Anne (2008) The evolution of network industries: lessons from the conquest of the online frontier, 1979-95. Industry and Innovation, Vol.15 (No.4). pp. 435-455. doi:10.1080/13662710802239513