Despite successive reforms, public procurement in Italy is still highly fragmented and vulnerable to collusion, corruption and ex-post renegotiation. Other defects are found in the planning stages of the works. These problems are due in part to the regulations on the awarding of public works...

This paper shows how favoritism in public procurement can emerge despite the use of rigid procedures for awarding contracts and of transparent criteria for allowing firms to bid. The paper analyzes data on the awarding of public works in Italy to illustrate how differences in fine regulation...

In this paper I study two methods often used in public procurement to deal with the risk that the winning bidder may default on his bid: augmenting the standard first price auction with an ex-post verification of the responsiveness of the bids and using an average bid auction. I show that when...

In Medicare Part D, low income individuals receive subsidies to enroll into insurance plans. This paper studies how premiums are distorted by the combined effects of this subsidy and the default assignment of low income enrollees into plans. Removing this distortion could reduce the cost of the...