articles available online

	Online version of letter on game theory, Scientific American, 297, October 2007, 14
	Interview in Game Theory: Five Questions, edited by Vincent F. Hendricks and Pelle Guldborg Hansen, Automatic Press, 2007, 41-48 (reproduced with permission)
	"Porter's Added Value: High Indeed!" Academy of Management Executive, 16, 2, 2002, 58-60 (reproduced with permission)
	"Review of Judo Strategy, by David Yoffie and Mary Kwak (Harvard Business School Press, 2001)" Manageris, 101, February 2002, 10 (reproduced with permission)