Economics · May / June 2020 · Paper 12 · Question 14

Which statement proves there has been an increase in productivity for a factory making tractors?

1. A10% more workers results in a 10% increase in tractors produced each week.
2. BOutput per worker increases from 3 tractors to 4 tractors per month.
3. CProduction increases as more workers are hired.
4. DStarting a night shift leads to an increase in production of 10 tractors a day.

As printed in the paper