We consider an auction setting in which potential buyers, even if they fail to obtain the good, care about the price paid by the winner. We study the impact of these price-externalities on the first-price auction and the second-price auction in a symmetric information framework. First, we...

We suggest an explanation for the existence of “mission drift”, the tendency for Microfinance Institutions (MFIs) to lend money to wealthier borrowers rather than to the very poor. We focus on the relationship between MFIs and external funding institutions. We assume that both the MFIs and...

We investigate the effect of a vertical merger on downstream firms’ ability to collude in a repeated game framework. We show that a vertical merger has two main effects. On the one hand, it increases the total collusive profits, increasing the stakes of collusion. On the other hand, it creates...

We analyze the relationship between Microfinance Institutions (MFIs) and external donors, with the aim of contributing to the debate on “mission drift” in microfinance. We assume that both the donor and the MFI are pro-poor, possibly at different extents. Borrowers can be (very) poor or...