Shame, he's paywalled it. This interview on EconTalk gives a good overview: http://www.econtalk.org/archives/2010/03/de_vany_on_ster.html http://www.econtalk.

Shame, he's paywalled it. This interview on EconTalk gives a good overview: http://www.econtalk.org/archives/2010/03/de_vany_on_ster.html http://www.econtalk.org/archives/2010/03/de_vany_on_ster.htm... (Skip past the baseball/steroids bit for the EF stuff.)