(2a) Suppose the price of stuff is $10 (p=10). How much does Jane work if her wage is $5 per hour (w = 5) ? (2b) What about w = $10? w = $15? Sketch Jane's labor supply curve. (2c) At w = 10, does the substitution effect dominate the income effect or vice versa ? Briefly explain your answer. OPTIONAL: This particular labor supply curve does not backward-bend for any positive ƏL wage. Can you prove this? HINT: need to show that for all w > 0. dw

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This is because the budget constraint implies that for each hour she works, she can buy an
W
additional unit(s) of stuff.
P
For now, assume that Jane is a price-taker in both the market for stuff (where she buys)
and the market for labor (where she sells).
(2a) Suppose the price of stuff is $10 (p=10). How much does Jane work if her wage is
$5 per hour (w = 5) ?
(2b) What about w = $10? w = $15? Sketch Jane's labor supply curve.
(2c) At w = 10, does the substitution effect dominate the income effect or vice versa ?
Briefly explain your answer.
OPTIONAL: This particular labor supply curve does not backward-bend for any positive
ƏL
wage. Can you prove this? HINT: need to show that for all w > 0.
dw
(2d) Suppose the price of stuff went up from $10 per unit to $15 per unit. How much
does Jane work if her wage is $5 per hour (w = 5) ? What about w = 10 ?w = 15 ?
(2e) Suppose Jane used to make a wage of $10 per hour (w = 10) when the price of stuff
was $10 (p = 10). Now that prices are $15 (p = 15), how much of a pay raise does Jane
need in order to achieve the same utility as before? This is known as the inflation
problem in macroeconomics.
Transcribed Image Text:This is because the budget constraint implies that for each hour she works, she can buy an W additional unit(s) of stuff. P For now, assume that Jane is a price-taker in both the market for stuff (where she buys) and the market for labor (where she sells). (2a) Suppose the price of stuff is $10 (p=10). How much does Jane work if her wage is $5 per hour (w = 5) ? (2b) What about w = $10? w = $15? Sketch Jane's labor supply curve. (2c) At w = 10, does the substitution effect dominate the income effect or vice versa ? Briefly explain your answer. OPTIONAL: This particular labor supply curve does not backward-bend for any positive ƏL wage. Can you prove this? HINT: need to show that for all w > 0. dw (2d) Suppose the price of stuff went up from $10 per unit to $15 per unit. How much does Jane work if her wage is $5 per hour (w = 5) ? What about w = 10 ?w = 15 ? (2e) Suppose Jane used to make a wage of $10 per hour (w = 10) when the price of stuff was $10 (p = 10). Now that prices are $15 (p = 15), how much of a pay raise does Jane need in order to achieve the same utility as before? This is known as the inflation problem in macroeconomics.
2) Jane's Labor Supply Problem
Suppose Jane is a qualified craftswoman who can help produce widgets. Her utility
function depends on her consumption of two goods: stuff and leisure. She spends her
entire income on stuff. Her utility maximization problem is as follows:
max Utility=√√x + √24-L
L
where PxX=wXL
and 0≤L≤ 24
Jane's utility maximization problem can be rewritten using the following indirect utility
function that incorporates her budget constraint
W
P
max Indirect Utility=. ·L+√24-L
L
¹ Indirect utility function is the utility function where the budget constraint is plugged-in.
Treat in a similar manner as the utility function.
Transcribed Image Text:2) Jane's Labor Supply Problem Suppose Jane is a qualified craftswoman who can help produce widgets. Her utility function depends on her consumption of two goods: stuff and leisure. She spends her entire income on stuff. Her utility maximization problem is as follows: max Utility=√√x + √24-L L where PxX=wXL and 0≤L≤ 24 Jane's utility maximization problem can be rewritten using the following indirect utility function that incorporates her budget constraint W P max Indirect Utility=. ·L+√24-L L ¹ Indirect utility function is the utility function where the budget constraint is plugged-in. Treat in a similar manner as the utility function.
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Labor supply refers to the amount of labor that is available for work in a given market or economy. This includes both the number of individuals who are willing and able to work, as well as the number of hours that they are willing to work. Factors that can impact labor supply include the availability of jobs, the level of wages and benefits being offered, the cost of living, the state of the economy, and demographic factors such as age, education, and immigration.

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