This paper seeks to inform about a feature of monetary policy that is largely overlooked, yet occupies a central role in modern monetary and financial systems, namely central bank collateral frameworks. Their importance can be understood by the observation that the money at the core of these...

The credit boom prevailing in the period preceding the last financial crisis was prolonged and associated with neither particularly strong output growth nor rising inflation in economies in which it occurred. This type of credit cycle and financial cycle is hard to reconcile with existing...

The current financial crisis has highlighted the changing role of financial institutions and the growing importance of the shadow banking system, which grew on the back of the securitization of assets and the integration of banking with capital market developments. This trend has been most...

We study the transmission of monetary policy through bank securities portfolios using granular supervisory data on U.S. bank securities, hedging positions, and corporate credit. Banks that experienced larger losses on their securities during the 2022-2023 monetary tightening cycle extended less...

Do periods of persistently loose monetary policy increase financial fragility and the likelihood of a financial crisis? This is a central question for policymakers, yet the literature does not provide systematic empirical evidence about this link at the aggregate level. In this paper we fill...

We examine the transmission of monetary policy shocks to the long-duration liabilities of households and firms using high-frequency variation in 10-year swap rates around FOMC announcements. We find that four weeks after the announcement mortgage rates move one-for-one with 10-year swap rates,...

I discuss private and central-bank-issued digital currencies, summarizing my prior research. I argue that prices of private digital currencies such as bitcoin follow random walks or, more generally, risk-adjusted martingales. For central bank digital currencies, I argue that they enhance the...

We analyze whether bank characteristics affect the impact of monetary policy on bank risk. We find that the insulation effects produced by capital and liquidity were lower for banks operating in countries with particularly low interest rates.

We show that banks' cash flow exposure to interest rate risk, or income gap, plays a crucial role in their lending behavior following monetary policy shocks. In a first step, we show that the sensitivity of bank profits to interest rates increases significantly with their income gap, even when...

Is there a link between loose monetary conditions, credit growth, house price booms, and financial instability? This paper analyzes the role of interest rates and credit in driving house price booms and busts with data spanning 140 years of modern economic history in the advanced economies. We...