Research note: why supply chains became a policy issue
Supply chains were long treated as part of a spontaneous market order, with firms locating according to cost and efficiency. Multiple shocks in recent years have led states to revisit that assumption: the risk of production interruption, concentration in critical inputs, and the seepage of security logic into economics have together pushed “supply chain resilience” onto the policy agenda. This is not a simple return to protectionism but a global debate about how to rank efficiency, security and other goals.
Three drivers of reconfiguration
- Risk: disruptions exposed the fragility of single-point dependence, and firms began to assess supply interruption probabilities alongside “optimal cost”.
- Policy: major economies reshape incentives through industrial policy, export controls and investment screening, so locational choices are no longer driven by market signals alone.
- Technology: digitalisation and automation lower the cost threshold for reshoring, making near-shoring and friend-shoring feasible in some industries.
Divergent policy orientations
Responses differ. Three broad orientations can be distinguished: a “cohesive” one centred on building domestic capacity; a “networked” one that reduces dependence by diversifying partners; and an “institutional” one that stabilises expectations through rule coordination and dispute settlement. They are not mutually exclusive, but differences in priority directly shape global trade and investment flows and the speed at which the supply chain map is redrawn.
Channels affecting developing economies
The effects on developing economies work through several channels. On the positive side, some countries gain windows for industrial relocation and upgrading. On the risk side: rule fragmentation raises compliance costs, critical technology and standard barriers deepen digital divides, and the redistribution of aid and investment flows may widen regional divergence. Assessing these effects requires separating short-term order effects from long-term capability effects, and avoiding case-by-case judgments in place of aggregate ones.
Next steps
This note is a working paper of the economy and development research line. Next we will compile a comparison table of supply chain policies in major economies and trace key sectors (semiconductors, new energy, pharmaceuticals) as an open resource.
Sources and version: v1.0 (2026-09).