A firm pays for a first-aid class for one of its employees. At a public event, the employee uses the skills learned in the class to help an injured spectator.
Explain why this may be a positive externality.
127 exam-style questions on OCR GCSE Economics 3.8 Limitations of markets, covering 3.8.1 Positive and negative externalities, 3.8.2 Policies to correct externalities, 3.8.3 Impact of externality policies, and 3.8.4 Costs and benefits of externality policies. Each one has a worked solution and a mark scheme showing where the marks go.