@ARTICLE{Zhao2025-uj, title = {School starting age and the social gradient in educational outcomes}, author = {Zhao, Yuejun and Markussen, Simen and R\o{}ed, Knut}, journaltitle = {Education economics}, publisher = {Informa UK Limited}, pages = {1--21}, date = {2025-04-09}, doi = {10.1080/09645292.2025.2489002}, issn = {0964-5292,1469-5782}, urldate = {2025-04-18}, language = {en} }