Thursday, January 14, 2016

Unit 1: Supply & Demand

Chapter 3&4 - Supply and Demand

Elasticity of Demand 

   - a measure of how consumers react in a change of price

What is Elastic Demand?

- demand that is very sensitive to a change in price
- E > 1
- the product is not necessity and there are available substitute 

ex: Soda
      Steak
      Candy
      Fur Coats

What is Inelastic Demand? 

- demand that is not sensitive to a change in price
- E < 1
- there are few to no substitute product is necessity
- people will always buy

ex: Gas
      Salt
      Milk
      Insulin/Medicine

Price Elasticity of Demand (PED)

Step 1: Quantity
(New Quantity - Old Quantity) / Old Quantity

Step 2: Price
(New Price - Old Price / Old Price) 

Step 3: PED
Δ in quantity demanded / % Δ in price


2 comments:

  1. Your Supply and Demand notes made it easier for me to understand what's more important, because of the each and everyone you highlighted helps me understand it easier.

    ReplyDelete
  2. Lets try and not forget about unitary demand when the elasticity is equal to 0

    ReplyDelete