We show that information sharing via a credit bureaus and registers may increase, rather than decrease, the role of collateral: it can be required in loans to high-risk borrowers in cases when it is not in the absence of information sharing.
KARAPETYAN, A. and STACESCU, B. (2015). Does information sharing reduce the role of collateral as a screening device? Journal of Banking and Finance, 43(1), pp. 48-57.