James D. Hamilton  James Douglas Hamilton (born November 29, 1954) is an American econometrician currently teaching at University of California, San Diego. His work is especially influential in time series and energy economics. He received his PhD from the University of California, Berkeley in 1983. His research goes into a range of topics, including monetary policy, business cycles, energy markets, econometrics, and has work that has been translated into Japanese, Chinese, and Italian.