{"publishers": ["Prentice-Hall"], "identifiers": {"goodreads": ["4039275"], "librarything": ["290954"]}, "ia_box_id": ["IA149814"], "covers": [15106323, 7282308], "ia_loaded_id": ["economicproblem200heil"], "key": "/books/OL5693004M", "authors": [{"key": "/authors/OL221095A"}], "publish_places": ["Englewood Cliffs, N.J"], "languages": [{"key": "/languages/eng"}], "pagination": "xx, 747 p.", "source_records": ["ia:economicproblem200heil"], "title": "The economic problem", "notes": "Includes bibliographical references.", "number_of_pages": 747, "edition_name": "3d ed.", "subjects": ["Economics."], "publish_date": "1972", "publish_country": "nju", "by_statement": "[by] Robert L. Heilbroner.", "works": [{"key": "/works/OL1847050W"}], "type": {"key": "/type/edition"}, "isbn_10": ["0132269104"], "lccn": ["70037146"], "ocaid": "economicproblem03heil", "dewey_decimal_class": ["330"], "lc_classifications": ["HB171.5 .H39 1972"], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2008-04-01T03:28:50.625462"}, "last_modified": {"type": "/type/datetime", "value": "2025-07-24T11:17:57.781939"}}