Marginal revenueThe change in total revenue as a result of producing one additional unit of output.
Marginal revenue productMarginal revenue product
The additional revenue generated by the extra output from employing one more unit of a factor of production. In a competitive industry this equals the marginal value product, but with imperfect competition it is smaller, due to the implied price reduction. Determines factor prices in competitive factor markets.
Marginal value productMarginal value product
The value of the marginal product of a factor in an industry; that is, the price of the good produced times the marginal product. Determines factor prices when all markets are competitive.
Marginal utilityMarginal utility
The change in total satisfaction as a result of consuming one additional unit of a specific good or service.
Marginal propensityMarginal propensity
The fraction of a change in income devoted to an activity, such as consumption, importing, or saving. See propensity.
Marginal propensity to importMarginal propensity to import
The fraction of a change in income (or perhaps disposable income) spent on imports. Contrasts with average propensity to import.
Further SuggestionsMarginal rate of transformation
Marginal propensity to save
Marginal propensity to consume
marginal tax rate
Marginal tax rate
Marginal efficiency of capital
Value marginal product
Marginal rate of substitution