ECO101H1 Lecture Notes - Lecture 9: Dd National, Economic Equilibrium, Demand Curve

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Announcements: test 1 (oct 23rd: cover material shown on the syllabus [to lecture 11, on blackboard, a sample of past tests/answers is posted on blackboard. Price ceiling, price floor, incidence of a sales tax. Nothing changes with demand curve, remains the same with the no tax example. Price of seller received is (after tax, therefore the supply curve will shift, the supplier would only supply 7 units at p = . ) Now, the new equilibrium price is , qd = qs = 4. Impose the tax on seller but is shared with seller. For sellers to supply a given quantity, the price must rise by to be the same as before tax. Example: q = 5, p = 100, p0+10 = 110 -> sellers will supply 5 units only if price increases to . In dd-ss diagram, market price is on the vertical axis. If sales tax is levied on the seller, seller receives: market price tax.

Related Questions

The general supply function for new housing in New Orleans is estimated to be

Qs = 96 + 2P - 10PL + 4PK

where P is the price per square foot of new housing in New Orleans, PL is the average hourly wage rate for construction workers, and PK is the price of capital (as measured by the average rate of interest paid on loans to home builders). Qs is measured in units of 1,000 square feet per month.

5. Does it make sense for PL and PK to have negative coefficients in the general supply function? Explain why or why not.

6. If the average hourly wage rate for construction workers is $10 per hour and the average rate of interest on loans to builders is 9 percent (i.e., PK = 9), then the supply function for new housing is

Qs = ______________________.

7. Graph the supply curve for new housing in the graph below. Label supply S0.

8. Solve mathematically for equilibrium price and quantity. Show your work:

PE = $__________ per square foot.

QE = __________ square feet per month (in 1,000s).

9. Do your supply and demand curves intersect at PE and QE found in question 8 above? Should they?

10. At the equilibrium point in question 8, compute consumer, producer, and social surpluses:

CS = $____________

PS = $____________

SS = $____________

11. Suppose New Orleans suffers a serious recession that causes average monthly income to fall from $1,500 to $1,100 per month. If other things remain the same, the demand for new housing in New Orleans is now:

Qd = _______________________.

Plot this new demand curve in the figure below. Label it D'.

12. Suppose that because of the recession in New Orleans, the wage rate for construction workers falls to $8 per hour. If other things remain the same, the supply of new housing in New Orleans is now:

Qs = _______________________.

Plot this new supply curve in the figure. Label the new supply curve S'.

13. After income falls to $1,100 and wages fall to $8, new equilibrium price and quantity are

PE = $__________ per square foot QE = __________ square feet per month (in 1,000s)

Housing Market in New Orleans

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blackreindeer838

The market for packets of cigarettes has been described by the following supply and demand functions:

Supply: P = 10 + 4Q Demand: P = 100 - 5Q where P is the price in dollars and Q is the quantity of packets of cigarettes per month (in thousands).

Part A) Construct a graph of supply and demand for this market showing all intercepts. What are the equilibrium prices and quantities? Show these on your graph.

Part B) At the market equilibrium price, what would be the total monthly revenue?

Part C) Calculate consumer surplus at the market equilibrium and indicate this surplus as an area on your diagram.

Part D) Calculate producer surplus at the market equilibrium and indicate this surplus as an area on your diagram.

Part E) Assume that a per-unit tax of $9.00 per packet of cigarettes is imposed by the government on the suppliers of cigarettes. Depict this on your demand and supply diagram. (Hint: the new tax inclusive supply function will be: P = 19 + 4Q). What is the new market equilibrium quantity? What price will consumers now pay and what price will suppliers now receive?

Part F) How much is the government revenue from the tax on suppliers?

Part G) Calculate consumer surplus and producer surplus after the imposition of the tax and any deadweight loss associated with the tax. Indicate these surplus and tax revenue areas on your diagram. Explain what the deadweight loss represents.

Part H) Now assume that instead of imposing a per-unit tax of $9.00 per pack on the suppliers of cigarettes the government decides to apply the same per-unit tax of $9.00 on consumers. Depict this on your demand and supply diagram. (Hint: the new tax inclusive demand function will be: P = 91 - 5Q) What is the new market equilibrium quantity? What price will consumers now pay and what price will suppliers now receive? (5 marks)

Part I) How much is the government revenue from the tax on consumers? (1 mark)

Part J) Who bears the greatest burden of the tax in each case, producers or consumers? Does your answer depend on whether the tax is levied on producers or consumers?

I am really having difficulty understanding Part J - can that please be answered with some detail?

carminewildebeest911

The general supply function for new housing in New Orleans is estimated to be

Qs = 96 + 2P - 10PL + 4PK

5. Does it make sense for PL and PK to have negative coefficients in the general supply function? Explain why or why not.

Qs = ______________________.

7. Graph the supply curve for new housing in the graph below. Label supply S0.

8. Solve mathematically for equilibrium price and quantity.

Show your work: PE = $__________ per square foot.

QE = __________ square feet per month (in 1,000s).

9. Do your supply and demand curves intersect at PE and QE found in question 8 above? Should they?

10. At the equilibrium point in question 8, compute consumer, producer, and social surpluses:

CS = $____________

PS = $____________

SS = $____________

Qd = _______________________.

Plot this new demand curve in the figure below. Label it D'.

Qs = _______________________.

Plot this new supply curve in the figure. Label the new supply curve S'.

13. After income falls to $1,100 and wages fall to $8, new equilibrium price and quantity are

PE = $__________ per square foot

QE = __________ square feet per month (in 1,000s)

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0	10	20	30	40	50	60	70	80	90	100	110	120	130	140	150	160

orangewolf175

ECO101H1 Lecture Notes - Lecture 9: Dd National, Economic Equilibrium, Demand Curve

ECO101H1 Full Course Notes

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