Marginal efficiency of capital (MEC) is the discount rate at which the present value of the future yields from a capital asset are equal to its cost of acquisition. The idea behind computing the MEC ...

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 ...

Your business's marginal revenue is the extra money made if you produce one more unit of a product or service. Knowing the marginal revenue from increasing sales can help you decide if expansion is ...

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 ...