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...

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...