This paper studies how certification design is affected by the objective of the designer. Our model features a profit-maximizing certifier offering his services to the seller of a good of unknown quality. We allow for common values as the seller’s cost may depend on the quality of the good. We...

This paper studies information orders in screening models with quasilinear preferences. I amend a general screening problem with a public signal about the agent's type and provide robust rankings of signals from the principal's perspective. The principal prefers one signal to another for any...

This paper studies optimal contracts and monitoring policies in procurement under dynamic adverse selection and moral hazard concerning a cost-reducing investment decision. I assume fixed costs of investment and show that the resulting 'lumpy' investment behavior creates a motive to monitor...