{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Stuck in the slow lane: undoing traffic composition biases in the measurement of trucking productivity.: An article from: Southern Economic Journal","author_name":"Kenneth D. Boyer, Stephen V. Burks","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002BAPC28.html\">Stuck in the slow lane: undoing traffic composition biases in the measurement of trucking productivity.: An article from: Southern Economic Journal</a>","width":400,"height":300}