This paper presents a portfolio model of asset price effects arising from large-scale asset purchases by central banks — commonly known as quantitative easing (QE). Two financial frictions, segmentation of the market for central bank reserves and imperfect asset substitutability, give rise to...

This paper analyzes the portfolio rebalancing channel of Quantitative Easing (QE hereafter) interventions. First, we identify the effects of a QE shock using a Bayesian VAR on US data using a sign and zero restrictions identification scheme. We find that QE shocks have substantial effects on...