Fred is planning his consumption over two time periods. Fred's preferences for consumption in period and two can be represented by the following utility function: U(c₂,c₂) = C₁³ +(1+p)¹ C₂5, where is the subjective discount rate, and C₁,C₂ is consumption in the first and second period. Fred's income in the first period is y, and grows by g % from the first period to the second period. Fred has access to perfect financial markets. The rate of interest is /">0. (a) Derive Fred's demand functions for consumption in the two periods as functions of p,r, y and g. (b) Derive Fred's demand for borrowing/saving as a function of p,r, y and g. (c) Give a condition involving the relationship between r and g for when Fred will borrow and when he will save.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Fred is planning his consumption over two time periods. Fred's preferences for consumption in period and
two can be represented by the following utility function: U(c,,c,) = C +(1+p) C" , where pis the
subjective discount rate, and c;,c, is consumption in the first and second period. Fred's income in the first
period is y, and grows by g % from the first period to the second period. Fred has access to perfect financial
markets. The rate of interest is r>0.
(a) Derive Fred's demand functions for consumption in the two periods as functions of p,r , y and g.
(b) Derive Fred's demand for borrowing/saving as a function of p,r, y and g.
(c) Give a condition involving the relationship between r and g for when Fred will borrow and when he will save.
Transcribed Image Text:Fred is planning his consumption over two time periods. Fred's preferences for consumption in period and two can be represented by the following utility function: U(c,,c,) = C +(1+p) C" , where pis the subjective discount rate, and c;,c, is consumption in the first and second period. Fred's income in the first period is y, and grows by g % from the first period to the second period. Fred has access to perfect financial markets. The rate of interest is r>0. (a) Derive Fred's demand functions for consumption in the two periods as functions of p,r , y and g. (b) Derive Fred's demand for borrowing/saving as a function of p,r, y and g. (c) Give a condition involving the relationship between r and g for when Fred will borrow and when he will save.
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