MFIN7007AC: Economics for Financial Analysis Problem Set 1
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MFIN7007AC: Economics for Financial Analysis
October 2021
Problem Set 1
1. (10 points) A Consumption-Labor Supply Model. Consider an individual householdís optimal consumption and leisure/labor supply problem. The household chooses optimal consumption and leisure to maximize his or her utility:
(1)
where 一 exp(一3c) and 一 exp(一3 (1 一 l)) measure the utility level from consumption (c) and leisure (1 一 l), respectively, 3 > 0 and n > 0, subject to:
c = wl + a; (2)
where l is labor supply and a is Önancial wealth. Note that the individual household take w and a as given.
(1) (5 points) What is the optimal amount of the labor supply (l* )? You may express l* in terms of the model parameters (3 and n) and exogenously given variables (w and a).
(2) (3 points) Under what condition, the optimal labor supply, l* , is increasing with the real wage, w?
(3) (2 points) Brieáy iscuss the wealth e§ect (i.e., how the labor supply reacts to a change in Önancial wealth, holding other factors Öxed) in this model.
2023-02-20