{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optimal tax theory: the journey from the negative income tax to the earned income tax credit.(2009 Presidential Address): An article from: Southern Economic Journal","author_name":"Jonathan H. Hamilton","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003LOGRM2.html\">Optimal tax theory: the journey from the negative income tax to the earned income tax credit.(2009 Presidential Address): An article from: Southern Economic Journal</a>","width":400,"height":300}