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We assume a household that lives for two periods. The household receives income as endowment in the first period, 1, and in the second period,

We assume a household that lives for two periods. The household receives income as endowment in the first period, 1, and in the second period, 2. The household optimally decides how much to consume in the first period, 1, how much to save in the first period, , and how much to consume in the second period, 2. The household can borrow and lend freely at the real interest rate, . The household exits the world without debt. The intertemporal budget constraint is given by: 1 + 2 1+ = 1 + 2 1+ , while it is also assumed that the household follows a perfectlysmoothed (optimal) consumption plan.

(i) Solve for optimal consumption in both periods in equilibrium. What determines current and future consumption?

(ii) Solve for saving in equilibrium. Is this household a lender or a borrower in period 1? What must be the condition in order to be a borrower?

iii.) Let now an income transfer, > 0, from the government to the household in period 2 that is known at the beginning of period 1. Compute the change in current and future consumption. Comment briefly on your results. Then compute the change in current and future consumption if the income transfer was a permanent one (in both period one and two) and discuss the implications.

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