A | B |
demand | want and ability to purchase |
demand schedule | listing showing the quantity demanded at all possible prices |
law of demand | more will be demanded at lower prices and less at higher prices |
demand curve | graph showing the quantity demanded at each price |
change in quantity demanded | consumers demand different amaounts at every price causing the demand curve to shift to the left or right |
determinent | change |
substitutes | competing products which can be used in place of another |
complements | products that increase the value of other products |
diminishing marginal utility | decreasing satisfaction or usefulness |
marginal utility | satisfaction or usefullness attained from acquiring one more unit of a product |
elastic | price causes a great change in the demand for a product |
inelastic | price does not cause a great change in the demand for a product |
supply | want and ability to produce |
law of supply | more will be offered for sale at higher prices and less at lower prices |
supply schedule | chart showing the quantities supplied at different prices |
supply curve | graphical representation of quantities produced at every price |
quantity supplied | amount offered for sale at a given price |
change in quantity supplied | change in the amount offered for sale in responce to a price change |
subsidy | government payment to protect a certain economic activity |
surplus | quantity supplied is greater than quantity demanded |
shortage | quantity supplied is less than quanity demanded |
fixed cost | cost of production that does not change when output changes |
variable cost | cost of production that changes when output changes |
total costs | Fixed costs + variable costs |
total revenue | price of goods sold times quantity sold (total receipts) |
break-even point | total costs = total revenues |
profits | revenues made after all costs have been paid (must be a positive number) |
equilibrium price | quantity supplied = quantity demanded |
maximized profit | the difference between total revenue and total costs is greatest |
payroll | who is working for you |
inventory | items you have for your business |
revenue | money |
profits | money made after all costs have been paid |
tradeoff | alternatives that must be given up when one is chosen rather than another |
opportunity cost | the next best alternative |
scarcity | scarce resources and unlimited wants |
market economy | economic system where supply, demand and the price system help people make decisions and allocate resources |