

The Labor Displacement
Key Insights Across the Series#
- The Drivetrain Labour Intensity Ratio (DLIR = ICE drivetrain labour hours ÷ EV drivetrain labour hours) averages approximately 3.1–3.6 for the powertrain supply chain as a whole, meaning the ICE drivetrain requires 3.1–3.6 times as many labour hours to manufacture as the EV drivetrain it replaces; when DAJC is calculated using DLIR = 3.4, each EV assembly job net-displaces approximately 0.71 ICE-equivalent supply-chain positions, making announcement-level gross job counts a material misrepresentation of the industrial transition’s labour outcome.
- The DAJC formula (New EV jobs − ICE jobs displaced × (DLIR − 1)/DLIR) correctly adjusts gross new job counts for the labour-intensity difference between drivetrain architectures; applying it to Stellantis’s 2022 Sterling Heights EV conversion announcement (1,400 gross new jobs, 4,800 ICE drivetrain jobs previously supported) produces DAJC ≈ −1,551 — a net job destruction event publicly labelled as a job creation event.
- Geographic concentration of DAJC-negative outcomes follows the spatial inheritance of ICE manufacturing: communities whose employment base is concentrated in engine machining, transmission assembly, and exhaust system fabrication — a supplier geography centred on Michigan, Ohio, Indiana, and the German Automotive Belt — are systematically disadvantaged by DAJC-negative transitions that create assembly jobs in new locations while extinguishing precision manufacturing jobs in legacy ones.
- Collective bargaining agreements in the automotive sector, designed to protect worker interests within a defined factory and ownership structure, have no standard mechanism to address DAJC-negative supply-chain displacement: the UAW contract covers UAW members at the OEM level; the hundreds of Tier 1 and Tier 2 suppliers whose workers lose assembly volume are covered by separate agreements or no agreement, and their displacement is invisible to the negotiation that addresses the headline EV investment.
- “Just transition” frameworks in U.S. and EU industrial policy — including the IRA’s Advanced Manufacturing Production Credit, the EU Just Transition Fund, and the German Strukturstärkungsgesetz — are designed to support investment in new facilities in target regions; they are not designed to prevent DAJC-negative outcomes in legacy regions, because the legacy displacement is not measured by a standard framework that the policy instrument could respond to.
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