Economics 9708 · AS & A Level · Price elasticity of supply

Price elasticity of supply — practice question

An ‘App’ for a phone has a perfectly elastic price elasticity of supply. At present, each ‘App’ sells for $10 and 200 ‘Apps’ are sold each day. As the ‘App’ gains popularity, demand rises by 50% at every price. What will be the effect of this change in demand?

  • AThe price increases by 50% and the firm’s revenue increases by 50%.
  • BThe price increases by less than 50% and the firm’s revenue increases by less than 50%.
  • CThe price stays the same and the firm’s revenue increases by 50%.
  • DThe price stays the same and the firm’s revenue increases by an infinite amount.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI