Research indicates that over 171 trillion plastic fragments now pollute the global marine environment, threatening the sustainability of oceanic ecosystems.
In Jakarta, Indonesia, rapid depletion of natural aquifers has left over 60% of residents without access to free, safe groundwater, forcing them to rely on expensive commercial supply.
Evaluate how the problem of scarcity can be used to explain why resources that were once considered free goods are increasingly becoming economic goods, forcing societies and individuals to make difficult choices.
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.