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Bustamante, Maria Cecilia (2011) Strategic investment, industry concentration and the cross section of returns. Financial Markets Group Discussion Paper, 681. London School of Economics and Political Science, London, UK. ISBN 09568549681
de Meza, David (1997) Product diversity under monopoly: two high-quality results. Bulletin of economic research, 49 (2). pp. 169-171. ISSN 0307-3378
Nava, Francesco (2006) Sales and collusion in a market with storage. Discussion Paper, TE/2011/549. Suntory and Toyota International Centres for Economics and Related Disciplines, London School of Economics and Related Disciplines, London, UK.
Quah, Danny (2003) Digital goods and the new economy. CEP discussion paper; CEPDP0563, 563. Centre for Economic Performance, London School of Economics and Political Science, London, UK.