Bradley t. Ewing Texas Tech University   Department of Economics Texas Tech University Lubbock, TX 79409-1014 USA   bradley.ewing@ttu.edu   http://www3.tltc.ttu.edu/ewing   Biographical Sketch: Ph.D. (1994) Krannert Graduate School of Management, Purdue University.   Primary Research Focus: Macroeconomics, Financial Economics, Time Series Econometrics   JEL Areas: Q4 : Energy: General Q5 : Environmental Economics: General