Discussion Paper Details

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Title: ECB interventions in distressed sovereign debt markets: The case of Greek bonds

Author(s): Christoph Trebesch and Jeromin Zettelmeyer

Publication Date: January 2018

Keyword(s): Central Bank Asset Purchases, eurozone crisis, Market Segmentation, Securities Markets Programme and sovereign risk

Programme Area(s): International Macroeconomics and Finance

Abstract: We study central bank interventions in times of severe distress (mid-2010), using a unique bond-level dataset of ECB purchases of Greek sovereign debt. ECB bond buying had a large impact on the price of short and medium maturity bonds, resulting in a remarkable "twist" of the Greek yield curve. However, the effects were limited to those sovereign bonds actually bought. We find little evidence for positive effects on market quality, or spillovers to close substitute bonds, CDS markets, or corporate bonds. Hence, our findings attest to the power of central bank intervention in times of crisis, but also suggest that in highly distressed situations, this power may not extend beyond those assets actually purchased.

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Bibliographic Reference

Trebesch, C and Zettelmeyer, J. 2018. 'ECB interventions in distressed sovereign debt markets: The case of Greek bonds'. London, Centre for Economic Policy Research.