Lars Peter Hansen is an American economist known for his work in the fields of macroeconomics and econometrics. He was born on September 26, 1952, and is a professor at the University of Chicago. Hansen is particularly recognized for developing the Generalized Method of Moments (GMM), a statistical technique used to estimate parameters in economic models. In 2013, Hansen was awarded the Nobel Prize in Economic Sciences alongside Robert Shiller and Eugene Fama for their contributions to understanding asset prices and market behavior. His research has significantly influenced how economists analyze economic data and make predictions about future trends.