www.revisionguru.co.uk/economics/oligopoly.htm
Links to Revision Guru’s definition of an oligopoly and oligopoly pricing.

www.culture.gov.uk/PDF/PWC_SECTION_7.pdf
Extract from a report by the Department for Culture, Media and Sport examining the barriers to entry in the educational software market.

www.economist.co.uk/research/Economics/
Enter "Game Theory" as a search in the Economist’s Economics A-Z, for entries covering game theory and associated concepts.

www.nuff.ox.ac.uk/users/klemperer/biggestpaper.pdf
The Biggest Auction Ever: The Sale of British 3G Telecom Licences. The original paper by Paul Klemperer of Nuffield College, Oxford University and Ken Binmore of University College, London, published in the Economic Journal, reviewing the role played by economists in organising the British 3G mobile phone licensing auction.