{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Theoretical Welfare Economics","author_name":"J. de V. Graaff","thumbnail_url":"https://www.ebooknetworking.net/books/052/105/big0521051282.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521051282.html\">Theoretical Welfare Economics</a>","width":400,"height":300}