Economics (AS & A Level) · May / June 2022 · Paper 13 · Question 5

The diagrams relate to the markets for four different products. In which market would a 10% decrease in demand and simultaneously a 10% increase in supply definitely result in both a fall in equilibrium price and a rise in equilibrium quantity?

1. ADiagram A: downward-sloping demand curve with vertical supply curve
2. BDiagram B: downward-sloping demand curve with upward-sloping supply curve
3. CDiagram C: upward-sloping supply curve with vertical demand curve
4. DDiagram D: downward-sloping demand curve with horizontal supply curve

As printed in the paper