The Irreplaceable Node: Key Person Concentration as a Compound National Security Vulnerability

Under review at Journal of Intelligence and National Security 

35 Pages Posted: 2 May 2026 Last revised: 29 May 2026

Date Written: May 02, 2026

Abstract

This paper is one pillar of the Mutual Threshold Saturation (MTS) research programme. Companion papers document material supply chain dependencies (Paper 4, SSRN 6454618), cost asymmetry in defence attrition (Paper 6, SSRN 6642278), and compound economic fragility (Paper 7, SSRN 6667841). All papers and the open-source KPVS simulation tool are available at rjgreenresearch.org and github.com/rjgreenresearch.

Keywords: key person vulnerability, human capital concentration, tacit knowledge, adversarial targeting, Thousand Talents, KPCI, Monte Carlo simulation, nuclear workforce, succession risk, economic statecraft, collective security

JEL Classification: H56, J24, O33, F52, M51

Suggested Citation

Green, Robert, The Irreplaceable Node: Key Person Concentration as a Compound National Security Vulnerability (May 02, 2026). Under review at Journal of Intelligence and National Security , Available at SSRN: https://ssrn.com/abstract=6695998 or http://dx.doi.org/10.2139/ssrn.6695998

Robert Green (Contact Author)

Independent Researcher ( email )

Do you have a job opening that you would like to promote on SSRN?

Paper statistics

Downloads
8
Abstract Views
45
PlumX Metrics