Structural distortions in the Euro interbank market: The role of 'key players' during the recent market turmoil

Caterina Liberati, Massimiliano Marzo, Paolo Zagaglia and Paola Zappa

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Abstract: We study the frictions in the patterns of trades in the Euro money market. We characterize the structure of lending relations during the period of recent financial turmoil. We use network-topology method on data from overnight transactions in the Electronic Market for Interbank Deposits (e-Mid) to investigate on two main issues. First, we characterize the division of roles between borrowers and lenders in long-run relations by providing evidence on network formation at a yearly frequency. Second, we identify the 'key players' in the marketplace and study their behaviour. Key players are 'locally-central banks' within a network that lend (or borrow) large volumes to (from) several counterparties, while borrowing (or lending) small volumes from (to) a small number of institutions. Our results are twofold. We show that the aggregate trading patterns in e-Mid are characterized by largely asymmetric relations. This implies a clear division of roles between lenders and borrowers. Second, the key players do not exploit their position of network leaders by imposing opportunistic pricing policies. We find that only a fraction of the networks composed by big players are characterized by interest rates that are statistically different from the average market rate throughout the turmoil period.

Date: 2012-07
New Economics Papers: this item is included in nep-ban, nep-fmk and nep-net
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Working Paper: Structural distortions in the Euro interbank market: The role of key players during the recent market turmoil (2012)
Working Paper: Structural distortions in the Euro interbank market: the role of 'key players' during the recent market turmoil (2012)
Working Paper: Structural Distortions in the Euro Interbank Market: The Role of 'Key Players' during the Recent Market Turmoil (2012)
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