Katie's preferences display completeness, transitivity, nonsatiation, and a diminishing marginal rate of substitution. > Katie's monthly income is M = 1000 dollars and the price of X is Px = 10 dollars. > Katie buys X = 30 units of X, spending the rest on all other goods (AOG). Suppose Katie's monthly income rises to M = 1300 and the price of X rises to Px = 20. Prove your answers with a GRAPH: a. Will Katie buy more X, less X, or the same quantity of X as before? b. Is Katie better off, worse off, or exactly as well off as before?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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中
DROP OFF BU
TVESPAY @U PM
13
8. SIMULTANEOUS CHANGES IN INCOME AND PRICE
Katie's preferences display completeness, transitivity, nonsatiation, and a diminishing
marginal rate of substitution.
> Katie's monthly income is M = 1000 dollars and the price of X is Px = 10 dollars.
> Katie buys X = 30 units of X, spending the rest on all other goods (AOG).
Suppose Katie's monthly income rises to M = 1300 and the price of X rises to Px = 20.
Prove your answers with a GRAPH:
a. Will Katie buy more X, less X, or the same quantity of X as before?
b. Is Katie better off, worse off, or exactly as well off as before?
Y
Transcribed Image Text:中 DROP OFF BU TVESPAY @U PM 13 8. SIMULTANEOUS CHANGES IN INCOME AND PRICE Katie's preferences display completeness, transitivity, nonsatiation, and a diminishing marginal rate of substitution. > Katie's monthly income is M = 1000 dollars and the price of X is Px = 10 dollars. > Katie buys X = 30 units of X, spending the rest on all other goods (AOG). Suppose Katie's monthly income rises to M = 1300 and the price of X rises to Px = 20. Prove your answers with a GRAPH: a. Will Katie buy more X, less X, or the same quantity of X as before? b. Is Katie better off, worse off, or exactly as well off as before? Y
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