Industrial policy in the global semiconductor sector

Pinelopi Goldberg, Réka Juhász, Nathan Lane, Giulia Lo Forte and Jeff Thurk

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: The resurgence of subsidies and industrial policies has raised concerns about their potential inefficiency and alignment with multilateral principles. Critics warn that such policies may divert resources to less efficient firms and provoke retaliatory measures from other countries, leading to a wasteful “subsidy race.” However, subsidies for sectors with inherent cross-border externalities can have positive global effects. This paper examines these issues within the semiconductor industry: a key driver of economic growth and innovation with potentially significant learning-by-doing and strategic importance due to its dual-use applications. Our study aims to: (1) document and quantify recent industrial policies in the global semiconductor sector, (2) explore the rationale behind these policies, and (3) evaluate their economic impacts, particularly their cross-border effects, and compatibility with multilateral principles. We employ historical analysis, natural language processing, and a model-based approach to measure government support and its impacts. Our findings indicate that government support has been vital for the industry’s growth, with subsidies being the primary form of support. They also highlight the importance of cross-border technology transfers through FDI, business and research collaborations, and technology licensing. China, despite significant subsidies, does not stand out as an outlier compared to other countries, given its market size. Model estimates suggest the presence of learning-by-doing at the firm-product level as well as economies of scope within a firm and substantial cross-border learning spillovers. These spillovers likely reflect cross-country technology transfers and the role of fabless clients and input suppliers in disseminating knowledge globally through their interactions with foundries. Such cross-border spillovers are not merely accidental but result from deliberate actions by market participants that cannot be taken for granted. Firms may choose to share knowledge across borders or restrict access to frontier technology, thereby excluding certain countries. Future research will use model estimates to simulate the quantitative implications of subsidies and to explore the dynamics of a “subsidy race” in the semiconductor industry.

Keywords: semiconductors; industrial policy; subsidies; learning-by-doing; multilaterism (search for similar items in EconPapers)
JEL-codes: F13 L63 N60 O38 (search for similar items in EconPapers)
Pages: 56 pages
Date: 2026-02
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