We use a new, comprehensive data set on the sovereign debt investor base to document three novel empirical facts: (i) sovereign debt is repatriated - that is, shifted from external private to domestic investors - prior to sovereign defaults; (ii) not all crises are equal: evidence for...

There is an increasing need for a system of international lending of last resort (ILLR) to provide a safety net in the event of financial crises in vulnerable countries as financial globalization deepens and spreads. Multilateral progress to address liquidity and solvency crises has been patchy...

Does a shortage of safe assets sow the seeds of instability in a financial system? This paper empirically explores the hypothesis of safe asset shortage-induced excess credit booms and financial instability. As an alternative step forward from the assumption of growth- or wealth-based demands...

Protests and fiscal crises often coincide, with complex causal dynamics at play. We examine the interaction between tax revolts and sovereign risk using a quantitative structural model calibrated to Argentina during the Macri administration (2015-2019). In the model, the government can be...

Textual analysis of the NBER Working Papers published during 1999-2016 is done to assess the effects of the 2007-2009 crisis on the academic literature. The volume of crisis-related WPs is counter-cyclical, lagging the financial-instability-index. WPs by the Monetary-Economics, Asset-Pricing,...

We study the impact of changes in regulations and policy interventions on systemic risk among European sovereigns measured as volatility spillovers in respective credit risk markets. Our unique intraday CDS dataset allows for precise measurement of the effectiveness of these events in a network...

We study the impact of changes in regulations and policy interventions on systemic risk among European sovereigns measured as volatility spillovers in respective credit risk markets. Our unique intraday CDS dataset allows for precise measurement of the effectiveness of these events in a network...

This is the graduation speech I gave on receiving an honorary doctorate at the University of Athens Economics and Business School. I talk about my Greek family, about how I got interested in economics, and then how in the 1990s I came to think about default, collateral, and leverage as the...