Information sharing and collateral reduce adverse selection costs, but are costly for lenders. When a bank learns more about the types of its rival's borrowers through information sharing (e.g., credit bureaus), it might seem that this information should substitute the role of collateral in...

We examine banks' choice between two costly instruments used to identify good loan applicants: direct screening by acquiring borrower-specific information and collateral requirements. We show that with longer relationships the preference for screening increases both in initial and in later...