Consider the utility function U(x, y) = xy + x, with MUx = y+1 and MUy = x. (Verify these.) a. is the assumption of "more is better" (non-satiation) satisfied for both goods x and y? b. does the marginal utility of x diminish, remain constant, or increase as the consumer buys more x? Explain. C. what is MRSX,y?

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Consider the utility function U(x, y) = xy+ x, with MUx = y+1 and MUy = x. (Verify these.)
a. is the assumption of "more is better" (non-satiation) satisfied for both goods x and y?
b. does the marginal utility of x diminish, remain constant, or increase as the consumer buys more x?
Explain.
c. what is MRSX, y?
d. is MRSX,y diminishing, constant, or increasing as the consumer substitutes x for y along an
indifference curve?
e. on a graph with x on the horizontal axis and y on the vertical axis, draw a typical indifference curve
(not necessarily exactly to scale, but should reflect whether MRS×,y is diminishing or not). Label the
curve as U1.
f. on the same graph, draw a second indifference curve U2, where U2 > U1
Transcribed Image Text:Consider the utility function U(x, y) = xy+ x, with MUx = y+1 and MUy = x. (Verify these.) a. is the assumption of "more is better" (non-satiation) satisfied for both goods x and y? b. does the marginal utility of x diminish, remain constant, or increase as the consumer buys more x? Explain. c. what is MRSX, y? d. is MRSX,y diminishing, constant, or increasing as the consumer substitutes x for y along an indifference curve? e. on a graph with x on the horizontal axis and y on the vertical axis, draw a typical indifference curve (not necessarily exactly to scale, but should reflect whether MRS×,y is diminishing or not). Label the curve as U1. f. on the same graph, draw a second indifference curve U2, where U2 > U1
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