I'm pretty sure the article they refer to is <i>"Exploring Firm Formation: Why is the Number of New Firms Constant?"</i> (Dane Stangler &#38; Paul Kedrosky, January 13, 2010)~ <a href="http://www.kauffman.org/uploadedFiles/exploring_firm_formation_1-13-10.pdf" rel="nofollow">http://www.kauffman.org/uploadedFiles/exploring_firm_formati...</a> (pdf, 1.9Mb) or via google cache ~ <a href="http://74.125.153.132/search?q=cache:GjapcIHkFO8J:www.kauffman.org/uploadedFiles/exploring_firm_formation_1-13-10.pdf+site:http://www.kauffman.org+Dane+Stangler+Paul+Kedrosky&#38;cd=1&#38;hl=en&#38;ct=clnk&#38;client=firefox-a" rel="nofollow">http://74.125.153.132/search?q=cache:GjapcIHkFO8J:www.kauffm...</a>