Please consult our overview of past and future Data (and Code) Availability Policy. Comments are welcome (as comments on the Google Doc or Issues in this Github repo.
Several economics and other social science data editors are collaborating on common guidance. See https://social-science-data-editors.github.io/guidance/ for more detailed guidance.
Generic guidance is provided at the Social Science Data Editors’ Guidance website. Specific guidance for AEA journals will be provided here, if different.