Analysis on Flow and Stock Variables in the Economic System -- Basic Concepts of Aggregate Supply and Aggregate Demand -- Formation Processes of the Aggregate Demand and Aggregate Supply Function -- The Formation Processes of the Aggregate Supply and Aggregate Supply Function.

We test whether forecast bias affects household stock trading by combining measures of bias elicited in laboratory experiments with administrative trade-level data. On average, subjects exhibit positive forecast bias (i.e., extrapolators), while a large minority exhibit negative forecast bias...