EC-1011: Definitions and key vocab Flashcards
Non-satiable
Lecture 1
nothing is ever enough or in more quantitative terms, more is better than less
Completeness
Lecture 1
given two bundles of goods, either A or B are preferred over one another represented by A^pB or if both indifferent to eachother then represented by the equation A^iB
Reflexiveness
Lecture 1
A^iA meaning good A is indifferent to itself (as good as itself)
Continuity
Lecture 1
If A^pB and C is sufficiently close to B it is reasonable to assume that A^pC
Transitivity
Lecture 1
if A^pB and B^pC it is reasonable to assume that a ranking occurs where good A is most preferred and good C is the least
Marginal utility
Lecture 1
extra utility gained from consuming an extra unit
Indifference curve definition
Lecture 1
curves representing all combinations of X and Y that give the same level of utility meaning that at any point on the curve, the consumer is left with an equal amount of utility
The marginal rate of substitution (MRS)
Lecture 2
the rate at which a consumer can give up some amount of one good in exchange for another good while maintaining the same level of utility
hence it is the slope of the indifference curve
Giffen good
Lecture 3
when the price rises, demand for that good rises with it