A training scheme raises output per worker from 40 units to 46 units per day. What is the percentage increase in labour productivity?
15%
6%
13%
115%
121 exam-style questions on OCR GCSE Economics 3.7 Supply side policies, covering 3.7.1 What are supply side policies and 3.7.2 Costs and benefits of supply side policies. Each one has a worked solution and a mark scheme showing where the marks go.