{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Introduction to Positive Economics","author_name":"Richard G. Lipsey, K.Alec Chrystal","thumbnail_url":"https://www.ebooknetworking.net/books/019/877/big0198774257.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0198774257.html\">An Introduction to Positive Economics</a>","width":400,"height":300}