1. Anderson, E. , J. Dana . 2008. When is price discrimination profitable? Working paper, Northwestern University, Evanston, IL.
2. Bhargava, H. , V. Choudhary . 2001. Information goods and vertical differentiation. J. Manag. Info. Syst. 18 (2): 89-106.
3. Bhargava, H. , V. Choudhary . 2008. Research Note: When is versioning optimal for information goods? Manag. Sci. 54 (5): 1029-1035.
4. Bhattacharya, S. , V. Krishnan , V. Mahajan . 2003. Operationalizing technology improvements in product development decision-making. Eur. J. Oper. Res. 149 (1): 102-130.
5. Bulow, J. 1982. Durable-Goods Monopolists. J. Polit. Econ. 90 (21): 314-333.