Vocabulary List 4 Economics / Mr. Henry Vocabulary List 4 Economics / Mr. Henry supply- amount of a product offered for sale at all possible prices supply- amount of a product offered for sale at all possible prices Law of Supply- principle that more will be offered for sale at higher prices than at lower prices Law of Supply- principle that more will be offered for sale at higher prices than at lower prices Market Supply Curve- a graph that shows the various amounts offered by all firms over a range of possible prices Market Supply Curve- a graph that shows the various amounts offered by all firms over a range of possible prices subsidy- government payment to encourage or protect a certain economic activity subsidy- government payment to encourage or protect a certain economic activity supply elasticity- a measure of how the quantity supplied responds to a change in price supply elasticity- a measure of how the quantity supplied responds to a change in price short run- production period so short that only the variable inputs (usually labor) can be changed short run- production period so short that only the variable inputs (usually labor) can be changed long run- production period long enough to change the amounts of all inputs long run- production period long enough to change the amounts of all inputs marginal product- extra output due to the addition of one more unit of input marginal product- extra output due to the addition of one more unit of input diminishing returns- stage where output increases at a decreasing rate as more units of variable input are added diminishing returns- stage where output increases at a decreasing rate as more units of variable input are added overhead- broad category of fixed costs that includes rent, taxes, and executive salaries overhead- broad category of fixed costs that includes rent, taxes, and executive salaries variable costs- production costs that change when production levels change variable costs- production costs that change when production levels change marginal cost- extra cost of producing one additional unit of production marginal cost- extra cost of producing one additional unit of production break-even point- production level where total cost equals total revenue break-even point- production level where total cost equals total revenue total revenue- total amount earned by a firm from the sale of its products total revenue- total amount earned by a firm from the sale of its products marginal revenue- extra revenue from the sale of one additional unit of output marginal revenue- extra revenue from the sale of one additional unit of output marginal analysis- decision making that compares the extra costs of doing something to the extra benefits gained marginal analysis- decision making that compares the extra costs of doing something to the extra benefits gained profit-maximizing quantity of output- level of production where marginal cost is equal to marginal revenue profit-maximizing quantity of output- level of production where marginal cost is equal to marginal revenue