Consider a forward-looking individual who aims at maximizing her lifetime utility from her lifetime resources. Assume the initial endowment of the individual isand her expected labour income is in the sequence Her utility function takes the form where is consumption in period and . Assume the real interest rate, is constant but not equal to the discount rate . Suppose that this individual lives for two periods, write down her intertemporal budget constraint and carefully interpret it. Explain why the lifetime budget constraint must be satisfied with a strict equality. From the intertemporal budget constraint, derive the permanent income hypothesis (PIH) and explain the drivers of consumption growth in this model.
Consider a forward-looking individual who aims at maximizing her lifetime utility from her lifetime resources. Assume the initial endowment of the individual isand her expected labour income is in the sequence Her utility function takes the form where is consumption in period and . Assume the real interest rate, is constant but not equal to the discount rate . Suppose that this individual lives for two periods, write down her intertemporal budget constraint and carefully interpret it. Explain why the lifetime budget constraint must be satisfied with a strict equality. From the intertemporal budget constraint, derive the permanent income hypothesis (PIH) and explain the drivers of consumption growth in this model.
Chapter1: Making Economics Decisions
Section: Chapter Questions
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- Consider a forward-looking individual who aims at maximizing her lifetime utility from her lifetime resources. Assume the initial endowment of the individual isand her expected labour income is in the sequence Her utility function takes the form where is consumption in period and . Assume the real interest rate, is constant but not equal to the discount rate .
- Suppose that this individual lives for two periods, write down her intertemporal budget constraint and carefully interpret it. Explain why the lifetime budget constraint must be satisfied with a strict equality.
- From the intertemporal budget constraint, derive the permanent income hypothesis (PIH) and explain the drivers of consumption growth in this model.
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