Updated Febuary 2010
Hurrah! The MS for Burton-Jones, A. & JC Spender, The Oxford Handbook of Human Capital (OUP 2010) now with the publisher!
Download a copy of Industry Recipes
(Blackwell 1989). I have the copyright so feel free to distribute to any interested.
And don't forget to check out the superb Foss, Klein, Langlois and Lien blog.