Determinants of quantity demanded
objective: constrained utility max

1. Income Effects
  Normal case - direct relationship between income and quantity demanded
  Inferior case - inverse relationship (ex: Old Milwaukee Beer)
2. Income expectations
direct relationship ("recession is a self-fulfilling prophecy")
3. Price Effects
  Normal case - inverse relationship between price and quantity demanded
  Snob case - direct relationship (ex: designer jeans & anything Yuppie)
4. Price Expectations effects
direct relationship (ex: "bull" and "bear" markets)
5. Cross-Price Effects
  Complements- inverse relationship (ex: gas prices and gas hog vehicles)
  Substitutes - direct relationship (ex: McDonald's v. Burger King)

 

 

 

 

 

 

 

 

"CETERIS PARIBUS"

Qd = Q [ Y, YE, P, PE, PC, PS ]

 

 

 

 

 

 

 

 

 

 

 

 

 

Changes in Demand

 

 

 

 

 

 

 

 

 

 

 

 

 

Demand Substitution

 

 

 

 

 

 

 

 

 

 

 

 

 

Elasticity & Tuition

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum Revenue