Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Marginal cost measures the cost of producing one more unit of a good. Zero marginal cost occurs when extra units can be produced at no additional cost. Marginal costs include variable costs and can ...

Marginal cost is the added expense of producing one more unit. A horizontal marginal cost curve indicates consistent production costs. Businesses may aim to maintain horizontal costs to stabilize ...