Christopher Sims is John J. F. Sherrerd '52 University Professor of Economics. He has been a faculty member at Princeton since 1999. Sims is a Fellow of the Econometric Society, a member of the American Academy of Arts and Sciences, and a member of the National Academy of Sciences. Together with Thomas Sargent, he won the Nobel Memorial Prize in Economic Sciences in 2011. The award cited their "empirical research on cause and effect in the macroeconomy".