Consider a household with the following utility function representing their preferences over consumption: U = u(Ct) + Bu(C++1) with u(C) = − exp(−aC), BE (0,1), a > 0 where C+ and C++1 represent consumption in the current and future periods, respectively.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Consider a household with the following utility function representing their preferences
over consumption:
U = u(Ct) + Bu(C++1)
with
=-
u(C) = exp(-aC), BE (0,1), a > 0
where C and C++1 represent consumption in the current and future periods, respectively.
The household faces a two-period decision problem. They receive endowments of Y, and
Yt+1 in the current and future periods, respectively. The real interest rate is denoted by
rt.
Notice: The utility function u(C) takes on negative values for all positive consumption
levels. However, in economic models, the absolute value of utility is less important than
how utility changes with consumption. A higher level of utility represents a more
preferred outcome for the household.
Question:
Formulate the household's budget constraints for the current and future periods. Com-
bine them to derive the household's intertemporal budget constraint.
Write down the household's optimization problem (objective function) that they seek to
maximize.
Derive the first-order conditions (Euler Equation) that characterize the optimal con-
sumption plan. Provide an economic interpretation of these conditions (hint: you need
to take logs at some point to make the expressions linear
Transcribed Image Text:Consider a household with the following utility function representing their preferences over consumption: U = u(Ct) + Bu(C++1) with =- u(C) = exp(-aC), BE (0,1), a > 0 where C and C++1 represent consumption in the current and future periods, respectively. The household faces a two-period decision problem. They receive endowments of Y, and Yt+1 in the current and future periods, respectively. The real interest rate is denoted by rt. Notice: The utility function u(C) takes on negative values for all positive consumption levels. However, in economic models, the absolute value of utility is less important than how utility changes with consumption. A higher level of utility represents a more preferred outcome for the household. Question: Formulate the household's budget constraints for the current and future periods. Com- bine them to derive the household's intertemporal budget constraint. Write down the household's optimization problem (objective function) that they seek to maximize. Derive the first-order conditions (Euler Equation) that characterize the optimal con- sumption plan. Provide an economic interpretation of these conditions (hint: you need to take logs at some point to make the expressions linear
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