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    Scale without Mass: Business Process Replication and Industry Dynamics
    28 Sep 2006Working Paper Summaries

    Scale without Mass: Business Process Replication and Industry Dynamics

    by Erik Brynjolfsson, Andrew McAfee, Michael Sorell and Feng Zhu
    Over the past ten years there's been a clear link between IT investment and productivity growth in the U.S. economy. But what impact has IT had on competition? This paper identifies several recent changes in the competitive dynamics of U.S. industries and shows that they are associated with IT intensity; the more IT and industry has, the greater the changes. Using case studies, previous research, and a simple model, the authors offer a theory that explains these patterns in the data. They argue that IT allows the rapid spread of business process innovations, which in turn leads to more turbulent and concentrated industries. Key concepts include:
    • Since the mid-1990s, IT-intensive industries have seen higher levels of turbulence and concentration growth than have non-IT-intensive industries.
    • The improved ability of firms to replicate business innovations affects not only productivity, but also the nature of business competition itself.
    • Future research on the competitive impact of IT within a single industry could use case studies combined with economy-wide data analysis. This method would help clarify the impetus for technology investments, their timing, and their effects.
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    Author Abstract

    Since the mid-1990s, productivity growth has accelerated in the U.S. economy. In this paper, we identify several other changes in the economy that have occurred during the same time and argue that they are consistent with an increased use of information technology (IT) in general and enterprise information technology in particular. In a series of case studies, we find that IT can enable firms to more rapidly replicate improved business processes throughout an organization, thereby not only increasing productivity but also market share and market value. We develop a simple model that shows how this process will increase both turbulence and concentration in affected industries. We then document a substantial increase in firm-level turbulence starting in the 1990s, as measured by the average intra-industry rank change in sales, enterprise value, and other metrics. Furthermore, we find that IT-intensive industries account for most of this increase in turbulence, especially after 1996. Before 1996, IT-intensive industries were becoming less concentrated than non IT-intensive industries; this situation reversed in the late 1990s. The combination of increased turbulence and concentration, especially among IT-intensive industries, is consistent with an increasingly Schumpeterian style of competition. We conclude that the improved ability of firms to replicate business innovations has affected not only productivity, but also the nature of business competition itself.

    Paper Information

    • Full Working Paper Text
    • Working Paper Publication Date: August 2006
    • HBS Working Paper Number: 07-016
    • Faculty Unit(s): Technology and Operations Management
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