1. A duopoly model of endogenous product choice with economies of scope;Anderson,1984
2. Address models of value theory;Archibald,1982
3. On Hotelling's ‘stability in competition’;d'Aspremont;Econometrica,1979
4. Contestable markets and the theory of market structure;Baumol,1982
5. Product line rivalry;Brander;American Economic Review,1984