Nobel prize Economic Sciences 2011 laure [Getty Images]

Nobel prize Economic Sciences 2011 laureate professor Christopher Sims of the US sits next to Princess Christina of Sweden at the honorary table of Nobel banquet following the 2011 Nobel Prize award Ceremony at Stockholm Town Hall on December 10, 2011. AFP PHOTO / JONATHAN NACKSTRAND (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)

AFP JONATHAN NACKSTRAND