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Explaining the dynamics of relatedness: The role of co‐location and complexity

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  • Sándor Juhász
  • Tom Broekel
  • Ron Boschma

Abstract

Relatedness has become a key concept for studying the diversification of firms, regions and countries. However, studies tend to treat relatedness as being time‐invariant or, alternatively, consider its evolution as exogenously given. This study argues that relatedness is inherently dynamic and endogenous to technological and economic developments. Using patent data, we test the extent to which relatedness between technologies developed along co‐location and differences in technological complexity in 1980–2010. Our results show that co‐located technologies are more likely to become related over time. Moreover, our results suggest that co‐location and complexity of technologies are conducive to the intensification of relatedness over time. El grado de relación se ha convertido en un concepto clave para el estudio de la diversificación de las empresas, las regiones y los países. Sin embargo, los estudios sobre el tema tienden a tratar el grado de relación como invariable en el tiempo o, alternativamente, a considerar su evolución como algo exógeno. En este estudio se sostiene que el grado de relación es inherentemente dinámico y endógeno respecto a los avances tecnológicos y económicos. Mediante el uso de datos de patentes, este estudio comprueba hasta qué punto se ha desarrollado el grado de relación entre las tecnologías desarrolladas bajo una misma ubicación y bajo diferencias de complejidad tecnológica entre 1980 y 2010. Los resultados muestran que las tecnologías ubicadas en el mismo lugar tienen mayores probabilidades de estar relacionadas a medida que pasa el tiempo. Además, nuestros resultados sugieren que la coubicación y la complejidad de las tecnologías favorecen la intensificación del grado de relación a lo largo del tiempo. 関連性は、企業、地域、国の多様化を研究する上で重要な概念となっている。しかし、研究においては、関連性は時間的に不変であるか、あるいはその関連性の進化は外生的に与えられたものとして捉える傾向がある。本稿では、関連性は本質的に変化するものであり、技術的・経済的発展に対して内生的であることを論じる。特許データを用いて、コロケーション (co‐location)とともに開発された技術間の関連性の程度と、1980~2010年における技術的な複雑さの違いを検証した。結果から、コロケーション技術は時間の経過とともに関連性が強くなる可能性が高いことが示された。さらに、結果から、コロケーションと技術の複雑さが時間の経過とともに関連性を強化することにつながることが示唆された。

Suggested Citation

  • Sándor Juhász & Tom Broekel & Ron Boschma, 2021. "Explaining the dynamics of relatedness: The role of co‐location and complexity," Papers in Regional Science, Wiley Blackwell, vol. 100(1), pages 3-21, February.
  • Handle: RePEc:bla:presci:v:100:y:2021:i:1:p:3-21
    DOI: 10.1111/pirs.12567
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    2. Harald Bathelt & Michael Storper, 2022. "Related Variety and Regional Development," Papers in Evolutionary Economic Geography (PEEG) 2214, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Aug 2022.

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    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)

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