{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Preference externalities: an empirical study of who benefits whom in differentiated-product markets.: An article from: RAND Journal of Economics","author_name":"Joel Waldfogel","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008G8KFS.html\">Preference externalities: an empirical study of who benefits whom in differentiated-product markets.: An article from: RAND Journal of Economics</a>","width":400,"height":300}