div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document20052014-steven-levitt-co-authored-freakonomics-which-sold-more-than-4-millionhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · 20052014 · Steven Levitt co-authored Freakonomics which sold more than 4 million copies worldwide and spoke at the Cloudcomp Conference in San Francisco California Reuters loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220418185e5c52a694d4a83aae5924b4html5thumbnails1jpg width=140 height=200 divdiv