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Research Paper

QE in the euro area

Has the PSPP benefited peripheral bonds?

by Daniel Gros / Ansgar Belke
15 March 2019

QE in the euro area

Has the PSPP benefited peripheral bonds?

Daniel Gros / Ansgar Belke

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The asset purchase programme of the euro area, active between 2015 and 2018, constitutes an interesting special case of Quantitative Easing (QE) because the ECB’s Public Sector Purchase Programme (PSPP) involved the purchase of peripheral euro area government bonds, which were clearly not riskless. Moreover, these purchases were undertaken by national central banks at their own risk. Intuition suggests, and a simple model confirms, that, ceteris paribus, large purchases by a national central bank of the bonds of their own sovereign should increase the risk for the remaining private bond holders. This might seem incompatible with the observation that risk spreads on peripheral bonds fell when QE in the euro area was announced. However, the initial fall in risk premiums may have been due to expectations of the bond purchases proving effective in lowering risk-free rates. When these expectations were disappointed, risk premiums returned to their initial level. Formal statistical tests confirm that indeed risk premiums on peripheral bonds did not follow a random walk (contrary to what is assumed in event studies). Nor did the announcements of bond buying change the stochastics of these premiums. There is thus no reason to consider the impact effect to have been permanent.

JEL codes: E43, E58, G12, G15

Keywords: European Central Bank, Quantitative Easing, unconventional monetary policies, spreads, structural breaks, time series econometrics

Ansgar Belke is Associate Senior Research Fellow at CEPS and professor at University of Duisburg-Essen, Essen, Germany. Daniel Gros is Director of CEPS.


About the Authors


  • Author
    Daniel Gros Daniel Gros
    Daniel Gros
  • Author
    Ansgar Belke
    Ansgar Belke
    Associate Senior Research Fellow
QE in the euro area Has the PSPP benefited peripheral bonds?
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418 Downloads