Week 13 Econ Flashcards
What is price elasticity of demand?
A measure of the sensitivity of demand to changes in price
Why is price elasticity in demand important?
It affects total revenue therefore it is important in business
What are the two ways to measure elasticity?
Point elasticity (need calculator) (we don’t use)
Arc elasticity (we use this one)
If ED >1 then it is considered?
Elastic
If ED=1 then it is considered?
Unit Elastic
If ED<1 then it is considered?
Inelastic
What is the most important factor affecting elasticity of demand?
Number of substitutes
Do luxury taxes work?
No
What is the the rule for time?
Time gives the market time to react (more elasticity)
What is a linear demand curve?
A special case when the graph is straight, but elasticities change
What is income elasticity?
Normal and inferior goods. How much consumption change with a given change in income
What is an excise tax?
Tax per unit sold, usually collected from producers
What is a sunk cost?
A cost that has already been made and cannot be recovered
All factors of production are variable in the?
Long run
What is the short run?
A length of time short enough so that only one variable can be changed.