We develop a model of interbank lending and borrowing with counterparty risk. The model has two key ingredients. First, liquidity in the banking sector is endogenous, which means that there is an opportunity cost of holding liquid assets. Second, banks are privately informed about the risk of...

This paper examines the agency cost of winner-picking in multi-divisional firms and uses explicit incentive contracts to analyze the interaction between corporate headquarters' investment and incentive policies. Winner-picking, i.e. the efficient reallocation of scarce resources in an internal...

Protection buyers use derivatives to share risk with protection sellers, whose assets are only imperfectly pledgeable because of moral hazard. To mitigate moral hazard, privately optimal derivative contracts involve variation margins. When margins are called, protection sellers must liquidate...

The extended period of limited growth experienced until recently in many European countries raises the issue as to which policies could be most effective in improving their economic performance. This paper argues that further financial sector reforms may be a valuable complement to ongoing...

In this article, we review 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...