We explore the transmission of the ECB's public sector asset purchase programme (PSPP) via the portfolio rebalancing of investment funds and their investors. Evidence for this channel would validate several theoretical propositions and provide insights into market perceptions of intervention...

We identify a component of monetary policy news that is extracted from high-frequency changes in risky asset prices. These surprises, which we call "risk shifts", are uncorrelated, and therefore complementary, to risk-free rate surprises. We show that (i) risk shifts capture the lion's share of...