{"created": {"type": "/type/datetime", "value": "2009-12-10T18:08:44.577838"}, "subject_places": ["United States"], "subjects": ["401(k) plans", "Income distribution", "Saving and investment", "Taxation"], "latest_revision": 2, "key": "/works/OL5889404W", "title": "The effects of 401(k) plans on household wealth", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1452623A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T06:36:25.366562"}, "revision": 2}