Indifference curves Take a reference bundle x the set of all bundles equally preferred to x is the indifference curve containing X'; the set of all bundles y oX Since an indifference“ curve” is not always a curve a better name might be an indifference set)
Indifference Curves Take a reference bundle x’. The set of all bundles equally preferred to x’ is the indifference curve containing x’; the set of all bundles y ~ x’. Since an indifference “curve” is not always a curve a better name might be an indifference “set
Indifference curves 2 XNXN X X X X
Indifference Curves x2 x1 x” x”’ x’ ~ x” ~ x”’ x’
Indifference curves zxy y
Indifference Curves x2 x1 z x y p p x y z
Indifference curves all bundles in are 2 X strictly preferred to all in I2- all bundles in b are strictly preferred to 3 all in I3
Indifference Curves x2 x1 x All bundles in I1 are strictly preferred to all in I2 . y z All bundles in I2 are strictly preferred to all in I3 . I1 I2 I3
Weakly Preferred Set(弱偏好集) WP(x), the set of X\bundles weakly preferred to x. (x)
x2 x1 I(x’) x I(x) WP(x), the set of bundles weakly preferred to x. Weakly Preferred Set (弱偏好集)