Professor William Alpert and Professor Oskar Harmon were panel discussants in the session “The Effects of Online Economics Courses on Student Learning” and presented the paper “The Effectiveness of Interactive Online Exercises across Delivery Format”, co-authored with Professor James Lambrinos (Union Graduate College) at the American Economic Association, Annual Meetings, San Diego CA, Jan 3-6, 2013. Their paper evaluates the effectiveness of online activities controlling for delivery format. The data are from a Principles of Microeconomics class taught in three different delivery formats: traditional lecture, fully online (no in class meetings), or blended (combination of online lecture and in-class discussion. Overall the empirical estimates are consistent with the hypothesis that participation in interactive learning exercises has a positive effect on exam score at a statistically significant level. Professors Alpert and Harmon were also panel discussants in the session “The Effects of Online Economics Courses on Student Learning.”