?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Kawarazaki&rft.aufirst=Hikaru&rft.au=Kawarazaki%2C+Hikaru&rft.title=Journal+of+Population+Economics&rft.atitle=Early+childhood+education+and+care%3A+effects+after+half+a+century+and+their+mechanisms&rft.date=9+June+2022&rft.genre=article