Firm-specific political risk: a systematic investigation of its antecedents and implications for vertical integration and diversification strategies

Di Fan, Chengyong Xiao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

6 Citations (Scopus)


Purpose: Uncertainties caused by political risks can drastically affect global supply chains. However, the supply chain management literature has thus far developed rather limited knowledge on firms' perception of and reactions to increased political risks. This study has two main purposes: to explore the relationship between extant risk exposure and perceived firm-specific political risk and to understand the impact of firm-specific political risk on firms' vertical integration and diversification strategies. Design/methodology/approach: The authors developed a unique dataset for testing our hypotheses. Specifically, the authors sampled manufacturers (SIC20-39) listed in the United States from 2002 to 2019. The authors collected financial and diversification data from Compustat, vertical integration data from the Frésard-Hoberg-Phillips Vertical Relatedness Data Library and political risk data from the Economic Policy Uncertainty database. This data collection process yielded 1,287 firms (8,329 observations) with available data for analysis. Findings: A two-way fixed-effect regression analysis of panel data revealed that firms tend to be more sensitive to political risk when faced with income stream uncertainty or strategic risk. By contrast, exposure to stock returns uncertainty does not significantly influence firms' sensitivity toward political risk. Moreover, firm-specific political risk is positively associated with vertical integration and product diversification. However, firm-specific political risk does not result in higher levels of geographical diversification. Originality/value: This study joins the literature that systematically explores the antecedents and implications of firm-specific political risk, thus broadening the scope of supply chain risk management.

Original languageEnglish
Pages (from-to)984-1007
Number of pages24
JournalInternational Journal of Operations and Production Management
Issue number6
Publication statusPublished - 8 May 2023


  • Diversification
  • Firm-specific political risk
  • Panel data regression
  • Risk management
  • Vertical integration

ASJC Scopus subject areas

  • General Decision Sciences
  • Strategy and Management
  • Management of Technology and Innovation


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