CAIE A-Level Economics 1.2.4 Time periods

CAIE A-Level Economics 1.2.4 Time periods
Cambridge International AS & A Level Economics 9708 syllabus for exams in 2026, 2027 and 20282026–2028

Practise choosing the relevant production time period when firms alter fixed factors, capacity, workforce or technology.

How this is tested

  • distinguish short run and long run by whether all factors can be varied
  • link new technology to the very long run rather than ordinary capacity changes
  • interpret firm scenarios involving capital equipment, factories and labour

Question 2

[Maximum number: 1]

To increase production, a firm in industry X needs to install capital equipment, while a firm in industry Y needs to research and introduce a new technology.

What time periods are illustrated by these cases?

industry X

industry Y

short run

long run

long run

long run

long run

very long run

very long run

very long run