This document provides an overview of engineering economics. It discusses studying industrial economics and financial factors to aid in economic decision making for engineering systems. Engineering economics is widely used to evaluate projects for engineering students. Case studies examine the economic environment, construction, production, and physical environment of engineering. The document also outlines the scope of engineering economics, types of costing such as actual, opportunity, sunk, and indirect costs, examples of costs, sectors of economics, and concepts like break even analysis and product mix.