{"isbn_13": ["9780226384559"], "physical_format": "Hardcover", "subtitle": "Evidence, Analysis, and Policy", "weight": "1.3 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["University Of Chicago Press"], "number_of_pages": 274, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13269416, "first_sentence": {"type": "/type/text", "value": "Pensions are an important source of private savings and retirement income in the United States."}, "isbn_10": ["0226384551"], "publish_date": "February 28, 1998", "key": "/b/OL9904248M", "authors": [{"key": "/a/OL388924A"}], "title": "Pension Plans and Employee Performance", "type": {"key": "/type/edition"}, "subjects": ["Employment & unemployment", "Pensions", "Personnel & human resources management", "Retirement Plans", "Business & Economics", "Business / Economics / Finance", "Business/Economics", "Human Resources & Personnel Management", "Business & Economics / Human Resources & Personnel Management", "Labor", "Labor Productivity", "Labor turnover", "Pension trusts", "United States"], "physical_dimensions": "9.2 x 6 x 0.9 inches", "revision": 1}