This document provides an overview of the Managerial Economics course at the National Open University of Nigeria. It discusses the need for the course due to growing complexity in business decision making and the increasing importance of applying economic principles. The course objectives are outlined as helping students understand key economic concepts and tools to aid in decision making and analysis of areas like demand, production, and pricing. The course structure is presented in modules that cover topics such as market analysis, demand forecasting, cost analysis, and market structures.