A number of recent papers have proposed that a pattern of isolated winning bids may be associated with collusion. In contrast, others have suggested that bid clustering, especially of the two lowest bids, is indicative of collusion. In this paper, we present evidence from an actual procurement...

We study how delivery times and prices for hospital medical devices respond to the introduction of centralized procurement. Our identification strategy leverages a legislative change in Italy that mandated centralized purchases for a sub-set of devices. The statutory centralization generated a...

One strategy for promoting female leaders in STEM professions is to appoint more women to the committees that select leaders. Unfortunately, evidence from other settings, such as committees for selecting judges or professors, suggests this approach does not work. We use a natural experiment to...