Paul J. ZakRANA SULAIMAN ALOGAILY2022-06-042022-05-262022-06-04111120https://drepo.sdl.edu.sa/handle/20.500.14154/64251This dissertation is composed of three unrelated chapters on Behavioral Economics and Neuroeconomics, all of which are on different topics. Chapter 1: Willingness to Get Vaccinated Against COVID-19 and Reasons for Hesitancy Among U.S Residents. Chapter 2: Testosterone Administration Induces A Red Shift in Democrats. Chapter 3: Neurophysiologic Predictors of Mood in the Elderly.97enThesis