What this practice covers
These questions are drawn from past Edexcel A-Level papers and filtered to market structures. You answer, you find out immediately whether you were right, and you get the reasoning for the correct option and for each distractor. Wrong answers go to a mistakes locker so you can come back to exactly those.
Practice is free. You need an account only so your progress and your mistakes are still there next time.
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What examiners see students get wrong here
These are the errors that cost marks on market structures, taken from our own topic notes. Read them before you practise and you will recognise the traps in the questions.
- Confusing allocative (P = MC) with productive (minimum ATC) efficiency.
- Treating X-inefficiency as productive inefficiency, X-inefficiency means costs sit above the cost curve entirely.
- Forgetting that monopolistic competition earns normal profit in the long run with excess capacity.
- Defining oligopoly by the number of firms rather than interdependence.
- Drawing the kinked demand curve without the discontinuity in MR, which is the entire point.
- Omitting one of the three conditions for price discrimination, usually preventing resale.
- Saying a concentrated market must be uncompetitive, ignoring contestability.
Revise it first
If any of the above is unfamiliar, work through the notes before practising: Market Structures revision notes.