Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/247695 
Year of Publication: 
2021
Series/Report no.: 
ZEW Discussion Papers No. 21-086
Publisher: 
ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung, Mannheim
Abstract: 
We develop a portfolio balance model to analyze the impact of euro area quantitative easing (QE) on asset yields. Our model features two countries each populated by two agents representing their respective banking and mututal fund sectors. Agents, which differ in their preferences for assets, can trade currencies, bonds and equities. In simulations of the calibrated model we find that 10-year euro area bond returns decline by 31 basis points in response to €1 trillion in central bank bond purchases, which is in line with the empirical literature. QE leads to a substantial flattening of the yield curve and increasing the maturity of purchased bonds increases the average yield impact. When QE is unwound, yields increase quicker than the central bank balance sheet shrinks. This is because the yield impact scales non-linearly with increasing asset purchases. When assessing the potential impact of green QE, we find that it is slightly less effective in reducing bond yields than conventional QE. However, the spread between green and brown bond yields decreases with conventional QE while it increases with green QE.
Subjects: 
euro area QE
portfolio balancing channel
yield curve
green QE
JEL: 
C63
G11
E52
Document Type: 
Working Paper

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