Harry's visit to Gringotts (Consumer Theory) The Weasleys had just taken Harry to the Gringotts Wizarding...
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Harry's visit to Gringotts (Consumer Theory) The Weasleys had just taken Harry to the Gringotts Wizarding Bank for the first time, where Harry discovers that he has received a large inheritance of m = 1,900,000 galleons (the currency of the wizarding world) from his parents. Harry must decide how much to spend currently and how much to save for later. We model this problem as Harry deciding on the consumption of two goods: consumption today x1 and consumption in the future x2. Harry's preferences are u = log x1 + 0.9 · log x2. We can interpret that as saying that Harry has utility of consumption of log (consumption) in any given time period, but that he values the future at only 90% of what he values the present (log stands for the natural log). For each $100 that Harry saves today, he gets 10% interest, so that he can consume $110 in the future. This means that Harry's budget constraint is 1 X2 S 1,900,000. X1 + a) Find Harry's optimal consumption choices. b) Harry finds out about a better investment, so that the interest rate he gets on his money is now 20% instead of 10%. What is Harry's new budget constraint? c) What are Harry's consumption choices after he finds out about the new investment opportunity? d) Solve for Harry's optimal consumption choice if Harry has the same 10% return as before, but he discovers that he has actually inherited 1,800,000 galleons, not 1,900,000 galleons as he had thought before. In addition, now Harry has become more impatient, so that his preferences are u = log x1 + 0.8 · log x2. Harry's visit to Gringotts (Consumer Theory) The Weasleys had just taken Harry to the Gringotts Wizarding Bank for the first time, where Harry discovers that he has received a large inheritance of m = 1,900,000 galleons (the currency of the wizarding world) from his parents. Harry must decide how much to spend currently and how much to save for later. We model this problem as Harry deciding on the consumption of two goods: consumption today x1 and consumption in the future x2. Harry's preferences are u = log x1 + 0.9 · log x2. We can interpret that as saying that Harry has utility of consumption of log (consumption) in any given time period, but that he values the future at only 90% of what he values the present (log stands for the natural log). For each $100 that Harry saves today, he gets 10% interest, so that he can consume $110 in the future. This means that Harry's budget constraint is 1 X2 S 1,900,000. X1 + a) Find Harry's optimal consumption choices. b) Harry finds out about a better investment, so that the interest rate he gets on his money is now 20% instead of 10%. What is Harry's new budget constraint? c) What are Harry's consumption choices after he finds out about the new investment opportunity? d) Solve for Harry's optimal consumption choice if Harry has the same 10% return as before, but he discovers that he has actually inherited 1,800,000 galleons, not 1,900,000 galleons as he had thought before. In addition, now Harry has become more impatient, so that his preferences are u = log x1 + 0.8 · log x2.
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Ameunt of inheitmce Harry recieved 1 Harrys Consumphion teday Xy and Cons... View the full answer
Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
Posted Date:
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