{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Health and Labor Force Participation over the Life Cycle: Evidence from the Past (National Bureau of Economic Research Conference Report)","author_name":"Dora L. Costa","thumbnail_url":"https://www.ebooknetworking.net/books/022/611/big0226116182.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0226116182.html\">Health and Labor Force Participation over the Life Cycle: Evidence from the Past (National Bureau of Economic Research Conference Report)</a>","width":400,"height":300}