Today’s dominant mechanism for infrastructure project tendering is the Unit Price Contract (UPC). While the winning bidder retains risk related to the unit price bids submitted, the Principal carries all risk related to misspecification of the activities required for having a project build....

This paper makes three claims. First, in contrast to Public-Private Partnerships (PPP) in many other industries, infrastructure contracts can be conditioned on the delivery of roads and railways of appropriate user quality. This eliminates one of the concerns in the literature of the welfare...