1. High-low search in product and labour markets;Alpern;Amer. Econ. Rev.,1988
2. Inventories as an information-gathering device;Alpern,1987
3. A two-armed bandit theory of market pricing;Rothschild;J. Econ. Theory,1974
4. Learning through price experimentation by a monopolist facing unknown demand;Aghion,1987