Capital Adjustment Costs and Stranded Assets in an Optimal Energy Transition

Michael Burda, Anna-Maria Goeth and Leopold Zessner-Spitzenberg

No 21972, CEPR Discussion Papers from Centre for Economic Policy Research

Abstract: In the context of a green energy transition, capital adjustment costs render effective substitution between clean and dirty energy sources finite and endogenous, despite infinite long-run substitutability. Ramsey optimal paths robustly frontload clean investment before exhaustion of a given carbon budget, but also generally imply some capital stranding. Along the path of emissions reduction, new investment is quantitatively more important than reduced output or labor redeployment. An ambitious climate goal in our benchmark calibration implies modest levels of stranded capital at 1.5% of GDP, but this rises to more than 7% if implementation is delayed by a decade.

Keywords: Two sector growth model; Energy transition; optimal investment; Capital adjustment costs; Carbon pricing (search for similar items in EconPapers)
JEL-codes: E22 H23 O41 Q43 (search for similar items in EconPapers)
Date: 2026-09
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Working Paper: Capital Adjustment Costs and Stranded Assets in an Optimal Energy Transition (2025)
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