1. Suppose that Delilah is completely indifferent between drinking Coke and Pepsi, that is, as long as it is cola she does not care about its brand. Her preferences also satisfy our "usual" assumptions. (She spends all her income on these two goods. All of our problems will have this feature, unless specified otherwise.) a) Describe her demand for Coke and Pepsi in words, given that she spends all her money on colas. b) Write down a utility function that would represent her preferences. Can you think about others? c) Draw a couple of indifference curves from her indifference map. How do they dépend on your answer(s) on b)? d) Suppose that the price of a can of Coke is $1, a can of Pepsi is $1.5, and her income is $15. Give a few examples of bundles she can afford, and draw her budget line. How much of each good will she consume? What if the price of Coke is $1.5 and the price of Pepsi is $1? What if the price of both is $1? Find her demand functions for Coke and Pepsi. Compare your answer to that of a).

Principles of Economics 2e
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Chapter6: Consumer Choices
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Suppose that Delilah os completely indifferent between drinking Coke and Pepsi, that is, as ling as it is cola she does not care about its brand. 

1. Suppose that Delilah is completely indifferent between drinking Coke and Pepsi, that
is, as long as it is cola she does not care about its brand. Her preferences also satisfy
our "usual" assumptions. (She spends all her income on these two goods. All of our
problems will have this feature, unless specified otherwise.)
a) Describe her demand for Coke and Pepsi in words, given that she spends all her
money on colas.
b)
Write down a utility function that would represent her preferences. Can you think
about others?
c) Draw a couple of indifference curves from her indifference map. How do they dépend
on your answer(s) on b)?
d) Suppose that the price of a can of Coke is $1, a can of Pepsi is $1.5, and her income is
$15. Give a few examples of bundles she can afford, and draw her budget line. How
much of each good will she consume? What if the price of Coke is $1.5 and the price
of Pepsi is $1? What if the price of both is $1? Find her demand functions for Coke
and Pepsi. Compare your answer to that of a).
Transcribed Image Text:1. Suppose that Delilah is completely indifferent between drinking Coke and Pepsi, that is, as long as it is cola she does not care about its brand. Her preferences also satisfy our "usual" assumptions. (She spends all her income on these two goods. All of our problems will have this feature, unless specified otherwise.) a) Describe her demand for Coke and Pepsi in words, given that she spends all her money on colas. b) Write down a utility function that would represent her preferences. Can you think about others? c) Draw a couple of indifference curves from her indifference map. How do they dépend on your answer(s) on b)? d) Suppose that the price of a can of Coke is $1, a can of Pepsi is $1.5, and her income is $15. Give a few examples of bundles she can afford, and draw her budget line. How much of each good will she consume? What if the price of Coke is $1.5 and the price of Pepsi is $1? What if the price of both is $1? Find her demand functions for Coke and Pepsi. Compare your answer to that of a).
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