Named after economist Arthur Laffer, the Laffer curve is a concept you've likely heard in the news as it concerns taxes, tax ...

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 ...

The marginal product of labor is a variable used in economic theory. This variable quantifies the additional output produced by adding an additional unit of labor. The value of this variable is ...

Marginal revenue measures extra income from producing one more unit. Compare marginal revenue and cost to decide on production adjustments. Track marginal revenue changes to set optimal production and ...

Happy tax day! Let's celebrate (or mourn) our civic duty to pay the government for stuff by sharing our favorite charts. The following pictures come from readers like you. If you think they stink, the ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Marginal cost helps predict company profit by analyzing cost to produce extra units. Investors use the gap between marginal cost and revenue to assess profitability. Technology firms, due to low ...