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What's the influence of input's variation? Estimating the input elasticity in the global value chain

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  • Xian‐nan Cheng
  • Shuhui Wen
  • Nuobing Fan
  • Yuwei Liu
  • Yujing Wang

Abstract

This article presents a comprehensive framework for assessing the influence of input variation during the period of stagnant expansion of the global value chain (GVC) by incorporating input elasticity. Each import sector is treated as a complete input demand system with a stochastic preference for input in the framework of Ghosh Inverse, and the input elasticity is employed to quantify the input variation based on the Quadratic Almost Ideal Demand System (QUAIDS) model. New empirical evidence covering three major regional value chains (RVCs) and the time span from 2010 to 2020 reveals that increasing input elasticity leads to additional output for most countries, except those within the North American RVC. Additionally, this article also discusses how external determinants have diverse extents influence to input elasticity, while the substitution effect among homogenous input in the specific input demand system may decide their input's competitiveness.

Suggested Citation

  • Xian‐nan Cheng & Shuhui Wen & Nuobing Fan & Yuwei Liu & Yujing Wang, 2024. "What's the influence of input's variation? Estimating the input elasticity in the global value chain," The World Economy, Wiley Blackwell, vol. 47(5), pages 2034-2062, May.
    • Handle: RePEc:bla:worlde:v:47:y:2024:i:5:p:2034-2062
    DOI: 10.1111/twec.13530
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