1. A TEST ON GARCH-TYPE MODELS OF THE S&P 500 INDEX Open Access Author: Jiang, Shu Title: A TEST ON GARCH-TYPE MODELS OF THE S&P 500 INDEX Area of Honors: Economics Keywords: S&P 500GARCHforecasting comparisonloss function File: Download Final_Thesis_Jiang.pdf Thesis Supervisors: Dr. Andrew Ronald Gallant, Thesis SupervisorJames R. Tybout, Thesis Honors Advisor