Purdue ECON 252 Final Exam
Questions and Correct Detailed
Answers 2025-2026 Latest Edition.
Properties of economic fluctuations - Answer 1) Co-movement in economic aggregates
2) Limited predictability
3) Persistence in the rate of growth
The Great Depression of 1929‒1933 illustrates
the three key properties of economic fluctuations
Aggregate - Answer A whole formed by combining several (typically different) elements
Marginal product of labor - Answer When output price rises, the labor demand curve shifts to
the right - more labor is demanded at each wage
When output price falls, less labor is demanded at each wage
Technological change causes the MPL function to change, generally to in- crease at each level of
L
Flexible (floating) exchange rate - Answer The government does not intervene in the foreign
exchange market
Fixed (rigid) exchange rate - Answer The government fixes a value and intervenes to maintain
that value
Managed exchange rate - Answer A system between the flexible and fixed exchange rates
Under the managed exchange rate system, the exchange rate is predominantly determined in
the foreign exchange market by supply of and demand for a currency
, Units of domestic currency/1 Unit of foreign currency
1/e
When a nominal exchange rate rises, we say that the domestic currency is appreciating
When a nominal exchange rate falls, we say
that the domestic currency is depreciating
Nominal wage - Answer The rate of pay employees are compensated
If you're paid $15.00 per hour, your nominal wage is $15.00 per hour
Nominal vs. Real - Answer The nominal value of a good is its value in terms of money
The real value of a good is its value in terms of some other good, service, or bundle of goods
Real wage
-EX) Wage in terms of the cost of living
Downward nominal wage rigidity - Answer Companies would rather fire people than reduce
wages
Even when economic theory would suggest that employers would reduce wages, they usually
won't
Wages, unemployment, inflation, prices, cost of living, cost of houses, and the stock market
during recessions - Answer Wages decrease
Unemployment increases
Questions and Correct Detailed
Answers 2025-2026 Latest Edition.
Properties of economic fluctuations - Answer 1) Co-movement in economic aggregates
2) Limited predictability
3) Persistence in the rate of growth
The Great Depression of 1929‒1933 illustrates
the three key properties of economic fluctuations
Aggregate - Answer A whole formed by combining several (typically different) elements
Marginal product of labor - Answer When output price rises, the labor demand curve shifts to
the right - more labor is demanded at each wage
When output price falls, less labor is demanded at each wage
Technological change causes the MPL function to change, generally to in- crease at each level of
L
Flexible (floating) exchange rate - Answer The government does not intervene in the foreign
exchange market
Fixed (rigid) exchange rate - Answer The government fixes a value and intervenes to maintain
that value
Managed exchange rate - Answer A system between the flexible and fixed exchange rates
Under the managed exchange rate system, the exchange rate is predominantly determined in
the foreign exchange market by supply of and demand for a currency
, Units of domestic currency/1 Unit of foreign currency
1/e
When a nominal exchange rate rises, we say that the domestic currency is appreciating
When a nominal exchange rate falls, we say
that the domestic currency is depreciating
Nominal wage - Answer The rate of pay employees are compensated
If you're paid $15.00 per hour, your nominal wage is $15.00 per hour
Nominal vs. Real - Answer The nominal value of a good is its value in terms of money
The real value of a good is its value in terms of some other good, service, or bundle of goods
Real wage
-EX) Wage in terms of the cost of living
Downward nominal wage rigidity - Answer Companies would rather fire people than reduce
wages
Even when economic theory would suggest that employers would reduce wages, they usually
won't
Wages, unemployment, inflation, prices, cost of living, cost of houses, and the stock market
during recessions - Answer Wages decrease
Unemployment increases
