Economics (AS & A Level) · Oct / Nov 2025 · Paper 31 · Question 4

A consumer maximises his total utility by initially buying 10 units of good X and 10 units of good Y. Assuming both goods are normal, what would cause this utility-maximising consumer to purchase more of good Y and less of good X?

1. Aan increase in the marginal utility of good Y
2. Ban increase in the price of good Y
3. Can increase in the tax on the consumption of good Y
4. Dan increase in the tax on the income of consumers

As printed in the paper