{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Price and Quantity Index Numbers: Models for Measuring Aggregate Change and Difference","author_name":"Bert M. Balk","thumbnail_url":"https://www.ebooknetworking.net/books/052/188/big0521889073.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521889073.html\">Price and Quantity Index Numbers: Models for Measuring Aggregate Change and Difference</a>","width":400,"height":300}