{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Economic Concentration and the Monopoly Problem","author_name":"Mason, Edward S.","thumbnail_url":"https://www.ebooknetworking.net/books/067/422/big0674226518.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0674226518.html\">Economic Concentration and the Monopoly Problem</a>","width":400,"height":300}