In our third and final lesson introducing Demand we explore the non-price determinants of a good's demand, changes to which will cause the demand for a good to increase or decrease and the demand curve to shift. Want to learn more about economics, or just be ready for an upcoming quiz, test or end of year exam? Jason Welker is available for tutoring, IB internal assessment and extended essay support, and other services to support economics students and teachers. Learn more here! http://econclassroom.com/?page_id=5870