{"type": {"key": "/type/work"}, "title": "Essays in Positive Economics", "subjects": ["Economics"], "key": "/works/OL28037429W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL403122A"}}], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2022-06-18T13:09:48.037051"}, "last_modified": {"type": "/type/datetime", "value": "2023-07-16T05:37:07.261442"}}