@TechReport{CEPII:2025-14,
author={Pierre Cotterlaz and Guillaume Gaulier and Aude Sztulman and Deniz Ünal},
title={International Trade by Production Stage: What’s Real?},
year=2025,
month=October,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=14804},
number={2025-14},
}