The document provides definitions for 10 economic and financial terms: 1) The Wal-Mart Effect refers to the economic impact felt by local businesses when a large firm opens a branch in the area. 2) Random Walk Theory refers to the concept that past movement of a stock price or market cannot be used to predict its future movement. 3) Walras' Law states that the existence of excess supply in one market must be matched by excess demand in another market. 4) The Icarus Factor refers to a situation where managers initiate an overly ambitious project which then fails.