{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The measurement of tax progression (Studies in contemporary economics)","author_name":"Andreas Pfingsten","thumbnail_url":"https://www.ebooknetworking.net/books/038/716/big0387160728.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0387160728.html\">The measurement of tax progression (Studies in contemporary economics)</a>","width":400,"height":300}