{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Workbook to Accompany an Introduction to Positive Economics","author_name":"RICHARD G STILWELL' 'J. A; LIPSEY","thumbnail_url":"https://www.ebooknetworking.net/books/B00/5E6/bigB005E6J772.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B005E6J772.html\">Workbook to Accompany an Introduction to Positive Economics</a>","width":400,"height":300}