For 10 points, identify this economic theory developed by Eugene Fama.
Recent work on this theory suggests that most Asian markets are too vulnerable to manipulation for it to hold true. The Behavioral Finance finding that people engage in hyperbolic discounting suggests that this statement isn't applicable to most markets. The weak form of this theory asserts that all past market prices and data are fully reflected in securities prices, while the strong form argues that all information is reflected. For 10 points, identify this economic theory developed by Eugene Fama.
Recent work on this theory suggests that most Asian markets are too vulnerable to manipulation for it to hold true.
{efficient markets} hypothesis