We consider competition among sellers when each of them sells a portfolio of distinct products to a buyer having limited slots. We study how bundling affects competition for slots. Under independent pricing, equilibrium often does not exist and hence the outcome is often inefficient. When...

We consider the agency problem of a staff member managing microfinancing programs, who can abuse his discretion to embezzle borrowers' repayments. The fact that most borrowers of microfinancing programs are illiterate and live in rural areas where transportation costs are very high make staff's...

Electronic academic journal websites provide new services of text and/or data mining and linking, indispensable for e¢ cient allocation of attention among abun- dant sources of scienti?c information. Fully realizing the bene?t of these services requires interconnection among websites. Motivated...

In this paper we study, as in Jeon-Menicucci (2009), competition between sellers when each of them sells a portfolio of distinct products to a buyer having limited slots. This paper considers sequential pricing and complements our main paper (Jeon- Menicucci, 2009) that considers simultaneous...

Site licensing of e-journals has been revolutionizing the way academic information is distributed. However, many librarians are concerned about the possibility that publishers might abuse site licensing by practicing bundling. In this paper, we analyze the private and social incentives for the...

The traditional theory of second-degree price discrimination tackles individual self selection but does not address the possibility that buyers could form a coalition to conduct arbitrage, that is, to coordinate their purchases and to reallocate the goods. In this paper, we design the optimal...