{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the Accuracy of Economic Observations","author_name":"Oskar Morgenstern","thumbnail_url":"https://www.ebooknetworking.net/books/069/104/big0691041512.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0691041512.html\">On the Accuracy of Economic Observations</a>","width":400,"height":300}