Total Pageviews

Sunday, 17 October 2010

Unit 1: Practice Q's on elasticity

1. A clothing retailer reduces the price of shirts from £50 to £40. As a result, quantity
demanded rises from 20,000 to 24,000 per month. What is the best estimate for price
elasticity of demand?

A –1.

B –2.5.

C +2.5.

D –2.
 
2. If the price elasticity of demand for coffee is –0.7 and the cross elasticity of demand
between tea and coffee is +1.1, then a 10% increase in the price of coffee will cause the
quantity demanded of coffee to;

A) fall by 7% and the demand for tea to fall by 11%

B) rise by 0.7% and the demand for tea to fall by 1.1%

C) fall by 0.7% and the demand for tea to fall by 1.1%

D) fall by 7% and the demand for tea to rise by 11%.

3. A hairdresser has 200 regular customers each week, paying $20 per haircut. He estimates that the PeD for this service is -2. As a result he decides to cut the price to $18. What would be the impact on revenue?

A) increase by $640

B) decrease by $320

C) increase by $320

D) decrease by $640

3 comments:

  1. If I do this on my computer, and can't print it is that okay? :)

    ReplyDelete
  2. I think the last question may be wrong, isn't it increase by $720? I've tried it a few times now and keep getting that answer.

    ReplyDelete
  3. unless I am going mad, dont think it's $720

    ReplyDelete