lectures in macroeconomics- charles w. upton some simple applications

27
Lectures in Macroeconomics- Charles W. Upton Some Simple Applications D’ S SR S LR D H’ H* w* w’

Post on 22-Dec-2015

220 views

Category:

Documents


1 download

TRANSCRIPT

Lectures in Macroeconomics- Charles W. Upton

Some Simple Applications

D’

SSRSLR

D

H’ H*

w*

w’

Some Simple Applications

Labor Supply and Demand

D

SSRSLR

H*

w*

Some Simple Applications

SummaryDemand for Labor Wage

Rate Hours of

Work Permanent Increase in Demand for Labor w+ H- Temporary Increase in Demand for Labor w+ H+ Permanent Decrease in Demand for Labor w- H+ Temporary Decrease in Demand for Labor w- H-

Some Simple Applications

A Recession

D’

SSRSLR

D

H’ H*

w*

w’

Some Simple Applications

A Recession

D’

SSRSLR

D

H’ H*

w*

w’People know there

is a temporary decline in GDP.

Some Simple Applications

A Recession

D’

SSRSLR

D

H’ H*

w*

w’Wage rate down,

hours down.

Some Simple Applications

A War

• There is a sharp, temporary increase in defense spending, paid for by additional taxes.

Some Simple Applications

A War

• There is a sharp, temporary increase in defense spending, paid for by additional taxes.

• Consumers know the taxes will not last forever. Consumption goes down but only by a fraction of the tax increase.

Some Simple Applications

A War

• There is a sharp, temporary increase in defense spending, paid for by additional taxes.

• Consumers know the taxes will not last forever. Consumption goes down but only by a fraction of the tax increase.

• Demand for workers goes up.

Some Simple Applications

A War

D’

SSRSLR

D

H* H’

w*w’

Some Simple Applications

A War

D’

SSRSLR

D

H* H’

w*w’

People know the increase in military

spending will not last forever

Some Simple Applications

A War

D’

SSRSLR

D

H* H’

w*w’

Wages up, hours of work up

Some Simple Applications

A Drought

• This drought will not last forever, but there is a reduction in the demand for laborers.

Some Simple Applications

A Drought

D’

SSRSLR

D

H’ H*

w*

w’

Some Simple Applications

A Drought

D’

SSRSLR

D

H’ H*

w*

w’People know there

is a temporary decline in GDP.

Some Simple Applications

A Drought

D’

SSRSLR

D

H’ H*

w*

w’Wage rate down,

hours down.

Some Simple Applications

New Technology

D’

SSRSLR

D

H*H’

w*

w’

A permanent increase

Some Simple Applications

New Technology

D’

SSRSLR

D

H*H’

w*

w’

A permanent increase

People work fewer hours, but get a higher wage rate

Some Simple Applications

New Technology

D’

SSRSLR

D

H*H’

w*

w’

A temporary increase

People make more, and work harder

Some Simple Applications

Any Temporary Increase in Government Spending

• We want to spend money to get us out of a recession.

Some Simple Applications

Any Temporary Increase in Government Spending

• We want to spend money to get us out of a recession.

• The government pays for the additional spending by borrowing.

Some Simple Applications

Any Temporary Increase in Government Spending

• We want to spend money to get us out of a recession.

• The government pays for the additional spending by borrowing.

• Lets ignore the impact the borrowing has on consumption.

Some Simple Applications

A Temporary Increase in Government Spending

D’

SSRSLR

D

H* H’

w*w’

Some Simple Applications

A Permanent Increase in Government Spending

• The government decides to spend on a new program, which will continue for a long time.

• It raises taxes to cover the cost.

• The reduction in consumption demand will offset the increase in government spending.

Some Simple Applications

A Permanent Increase in Government Spending

D

SSRSLR

H*

w*

Some Simple Applications

A Permanent Increase in Government Spending

D

SSRSLR

H*

w*No net effect

Some Simple Applications

End

©2004 Charles W. Upton. All rights reserved