This paper examines the role of collateral in the financial system, with special emphasis on the implications for financial stability and the conduct of monetary policy. First, we review what drives the demand and supply for both real and financial collateral assets. Then we examine financial...

In this paper, we survey the nascent literature on the transmission of negative policy rates. We discuss the theory of how the transmission depends on bank balance sheets, and how this changes once policy rates become negative. We review the growing evidence that negative policy rates are...

This paper documents stress in the unsecured overnight interbank market in the euro area over the course of the financial and sovereign debt crisis in Europe. We find that stress i) leads some banks to borrow in the market at rates that are higher than the rate of the marginal lending facility...