Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

Amy Fontinelle is a freelance writer, researcher and editor who brings a journalistic approach to personal finance content. Since 2004, she has worked with lenders, real estate agents, consultants, ...