Massive Modularity: Understanding Industry Organization in the Digital Age — The Case of Mobile Phone Handsets

Eric Thun, Daria Taglioni, Timothy J. Sturgeon and Mark Peter Dallas

No 10164, Policy Research Working Paper Series from The World Bank

Abstract: Digitization is transforming the organization and geography of industries. Once digitized, information can be generated, collected, stored, monitored, analyzed, and processed in ways not previously possible, and when common standards are used as modular interfaces, data can be transferred and put to use with greater ease across organizations and geographic space. An important effect of digitization on industrial organization is the emergence of global-scale modular ecosystems associated with specific classes of products, applications, and technologies. The modules and sub-systems in these ecosystems can—albeit with significant engineering effort, because they are complex—be reused, connected, and layered to drive innovation and deliver products and services with immense complexity at scale. The nuances of this transformation have not been lost on the field of technology management and innovation. The primary focus of this literature has been on how to capture value in modular ecosystems, mainly by focusing on how to companies can influence or leverage industry architectures and “win” in an era of digital platforms. This paper makes three contributions to these literatures, as well as to literatures on global value chains (GVCs), industry standards, and industrial policy in the post- “Washington Consensus” era: 1) it develops a broader view of modular and platform ecosystems than has been advanced so far, highlighting the overlapping and layered nature of digital industry ecosystems; 2) it focuses on the multiplicity of standards that bind modular ecosystems together; and 3) it draws attention to the geographic and geopolitical implications of what it calls Massive Modular Ecosystems (MMEs). The case study of the mobile phone handset industry reveals three paradoxes associated with MMEs: 1) they allow for extremely complex products to be produced at scale, unlike more traditional industries; 2) they simultaneously feature high degrees of market concentration at the level of complex sub-systems and components, and market fragmentation at the level of the industry overall and at the level of complementors; and 3) they are concentrated in geographic clusters, but because MMEs integrate work carried out in many specialized clusters in many countries, the system as a whole is geographically dispersed. This leads to a fourth, policy-related paradox: MMEs generate strategic and geopolitical pressures for decoupling when placed under stress, but the same set of circumstances also creates pressures for maintaining the business relationships and institutions that have come to underpin global integration.

Date: 2022-09-06
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