A “low-balling strategy” by bidding contractors has increasingly been recognized as an important issue in public infrastructure procurement. Public works contracts are often imperfect and renegotiated after the contract award. Given the expectation for ex post adjustments, bidders seem...

Auctions, which are applicable to aid-related procurement systems, have been recently recognized as an important tool for improving economic efficiency. Using data on procurement auctions for Japanese official development assistance projects, the equilibrium bid function is estimated. The data...