Super Finance Glossary Over 10,000 financial glossary terms... Browse by Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Or Enter Search Term: By Author: All Sources Campbell Harvey Internal Revenue Service Finance Globe FDIC Snow Gold CFTC U.S. Census Bureau Search Tips P/E Effect Source P/E EffectDefinition: That portfolios with low P/E stocks exhibit higher average risk-adjusted returns than those with high P/E stocks. Related: Value manager.