micro 4 Flashcards
law of demand
-Holding other things constant (ceteris paribus), there is an inverse relationship between the price of a good and the quantity of the good demanded per time period.
-Substitution effect
-Income effect
substitution effect
-Assuming that real income (opposed to nominal income) (adjusted for prices income) is constant:
-If the relative price of a good rises, then consumers will try to substitute away from the good. Less will be purchased.
-If the relative price of a good falls, then consumers will try to substitute away from other goods. More will be purchased.
-The substitution effect is consistent with the law of demand.
income effect
-The real value of income is inversely related to the prices of goods.
-A change in the real value of income:
~will have a direct effect on demand if a good is normal.
~will have an inverse effect on demand if a good is inferior.
individual demand schedule
individual’s demand schedule shows the quantity demanded of a commodity per unit in time for a specified price holding everything else constant.
individual demand curve
Individual’s demand curve is a visual representation of the corresponding individual’s demand schedule
market demand curve
Market demand curve is a horizontal summation of demand curves of individual consumer
bandwagon effect
*Collective demand causes individual demand- because the market demands it now i will because everyone else wants it
snob effect
*Conspicuous consumption
*A product that is expensive, elite, or in short supply is more desirable-strange and doesn’t happen often
imperfect competition
monopoly, oligopoly, monopolistic competition
monopoly
Sole producer of a good. Monopolist’s demand = market demand.
oligopoly
A few large firms in the market. (airlines)
monopolistic competition
Many firms selling differentiated products.
perfect competition
-Large number of firms selling identical goods.
-Firm is a price taker: firm’s demand curve is horizontal.
price elasticity of demand
-is given by the percentage change in the quantity demanded of the commodity divided by the percentage change in its price, holding constant all the other variables in the demand function.
-elasticity is a question
The demand for a commodity will be more price elastic if:
–It has more close substitutes
–It is more narrowly defined
–More time is available for buyers to adjust to a price change