We show that, in environments with independent private values and transferable utility, a privately informed principal can solve her mechanism selection problem by implementing an allocation that is ex-ante optimal for her. No type of the principal can gain from proposing an alternative...

We propose a theory explaining the shape of contracts between local governments and the contractors they hire to run public facilities on their behalf. Governments are privately informed over the quality of the facility and risk-averse while risk-neutral contractors are subject to a moral hazard...