Kauffman Index of Entrepreneurial Activity, 1996-2013 Publication Ewing Marion Kauffman Foundation Date Published 01/01/2014 Authors Fairlie, R. Share on Social Media Social/li Created with Sketch. Twitter, Social/fb Created with Sketch. Facebook, Social/Twitter Created with Sketch. LinkedIn Read More Publication Ewing Marion Kauffman Foundation Date Published 01/01/2014 Authors Fairlie, R. Share on Social Media Social/li Created with Sketch. Twitter, Social/fb Created with Sketch. Facebook, Social/Twitter Created with Sketch. LinkedIn