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Determinants of intraday dynamics and collateral selection in centrally cleared and bilateral repos

Dufour, A., Marra, M. and Sangiorgi, I. (2019) Determinants of intraday dynamics and collateral selection in centrally cleared and bilateral repos. Journal of Banking & Finance, 107. 105610. ISSN 0378-4266

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To link to this item DOI: 10.1016/j.jbankfin.2019.105610

Abstract/Summary

Using a novel dataset, we study intraday trades of overnight general collateral repurchase agreements (repos) on Italian government bonds. We focus both on repos cleared by central counterparties (CCPs) and traded bilaterally. Intraday bond supply, liquidity and duration significantly affect the spread of repo rates over the European Central Bank (ECB) deposit rate, but after the ECB quantitative easing interventions this impact is much reduced. During the European sovereign debt crisis, the increase in margins further deteriorates repo costs, creating a negative procyclical effect. Once we control for the impact of margin costs, CCP-based repos do not appear to be significantly cheaper than bilateral repos. We also show that bonds with lower liquidity and specialness, greater supply and longer duration are more likely to be selected as collateral. However, during the crisis, CCP-repo borrowers choose collateral bonds with higher liquidity and lower duration to reduce margin and repo trading costs

Item Type:Article
Refereed:Yes
Divisions:Henley Business School > ICMA Centre
ID Code:85592
Publisher:Elsevier

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