Think Like An Economist

S E11: Elasticity - What will you do when prices change?

Sep 29, 2020
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INSIGHT

The Law of Demand and Elasticity

  • The law of demand states that we buy more when prices are lower and less when prices are higher.
  • Elasticity quantifies this change, exploring how much more or less we buy given a price change.
INSIGHT

Substitutes and Elasticity

  • Substitute goods are key to understanding elasticity.
  • The presence of good substitutes increases the elasticity of demand for a product.
ANECDOTE

Daraprim Price Hike

  • Martin Shkreli drastically increased the price of the life-saving drug Daraprim.
  • This case exemplifies inelastic demand where a lack of substitutes empowers sellers.
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