{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"R&D and Productivity: The Econometric Evidence (National Bureau of Economic Research Monograph)","author_name":"Griliches, Zvi","thumbnail_url":"https://www.ebooknetworking.net/books/022/630/big0226308863.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0226308863.html\">R&amp;D and Productivity: The Econometric Evidence (National Bureau of Economic Research Monograph)</a>","width":400,"height":300}