In economic theory, the fundamental economic problem of scarcity distinguishes between free goods and economic goods. Which of the following is classified as a free good?
High-speed municipal Wi-Fi provided with no subscription fee in a city center
Solar electricity generated by a commercial photovoltaic array
Clean atmospheric air breathed by a farmer working in an open field
Healthcare services provided without charge by a state-funded national health service
53 exam-style questions on OCR A Level Economics The economic problem. Each one has a worked solution and a mark scheme showing where the marks go.