Questions


ECON515 Spring 2023

Answer all questions. The FIVE questions are equally weighted.  Show your work for full credits.

 

  1. -Foreachofthe
  • ··following,statetheeffectonsupply:
  1. Achangeintechnologythatincreaseproduction costs
  2. A decreaseinthepriceofsemiconductors
  3. Adecreaseinthepriceofcomputers
  4. Anincreaseinthewagesofcomputerassembly workers
  5. Adecreaseinconsumerincomes

 

 

 

  1. Consider the demand for computers. In each of the following, state the effect on demand
  2. decrease in consumer income.
  3. An Increase in the price of computers
  4. Anincrease in the price of internet service providers

 

 

  1. A market demand and supply curves are given as:

Qd= 500-2P

Qs=-100+ 3p

  1. What is the equilibrium price.
  2. What is the equilibrium quantity.
  3. If the current price is $100, what is the quantity demanded and supplied?
  4. How much is the surplus or shortage?

 

 

  1. What is the difference between ARC elasticity and point elasticity?

 

 

 

 

 

  1. The demand curve is given by

Qd=500-2Px

  1. What is the total revenue function?
  2. What is the marginal revenue function?
  3. At what price is revenue maximized.
  4. What is the maximum revenue at the above price?