Percival S. Gabriel is an associate professor at the University of the East (Manila, Philippines) College of Arts and Sciences. He was the former chairman of the Department of History and International Studies where he teaches International Economics, Econometrics, International Relations, International Law, Political Geography and Philippine History. He has written papers on the effect of public information on the movement of the stock market and the prices of rice as the Filipino staple cereal. He has also written theoretical papers that combine time, information and prices in a competitive market and the nexus of geography, information and power on the prices of oil. He is also a literary writer.