Cryptocurrencies are lousy investments
Are cryptocurrencies the future of money, Ponzi schemes, speculators’ dreams, or just a prosperity gospel? While there is money to be made in the...
Information Acquisition, Price Informativeness and Welfare
We consider the market for a risky asset with heterogeneous valuations. Private information that agents have about their own valuation is reflected in...
Market Resilience
We propose a method to capture the notion of resilience, the dynamic aspect of liquidity in the limit order book, through the Threshold Exceedance...
Learning from History: Volatility and Financial Crises
We study the effects of stock market volatility on risk-taking and financial crises by constructing a cross-country database spanning up to 211 years...
Macroprudential stress tests
Current stress testing of banks is focused on the resiliency of individual banks to exogenous shocks. This column describes how the next generation of...
Cryptocurrencies don't make sense
Cryptocurrencies are supposedly a new and superior form of money and investments – the way of the future. The author of this column, however, does not...
Macroprudential Stress Tests and Policies: Stretching for Robust and Implementable Frameworks
Non-supervisory bank stress testing is becoming firmly embedded in the post-crisis macroprudential frameworks of major financial sectors around the...
Towards an understanding of credit cycles: do all credit booms cause crises?
Macroprudential policy is now based around a countercyclical buffer, relating capital requirements for banks to the degree of excess credit in the...
Artificial intelligence and the stability of markets
Artificial intelligence is increasingly used to tackle all sorts of problems facing people and societies. This column considers the potential benefits...
Artificial intelligence, financial risk management and systemic risk
Artificial intelligence (AI) is rapidly changing how financial institutions are operated and regulated. The authors discuss the benefits and danger...
The Quanto Theory of Exchange Rates
We present a new, theoretically motivated, forecasting variable for exchange rates that is based on the prices of quanto index contracts, and show via...
Consistent Measures of Systemic Risk
This paper presents a methodology to infer multivariate densities that characterize the asset values for a system of financial institutions, and...
Contractual Externalities and Systemic Risk
The Review of Economic Studies, Volume 84, Issue 4, Pages 1789–1817.
Competitive Screening of Customers with Non-Common Priors
This paper provides an explanation for the variety of contracts offered by competitive firms for seemingly identical products or services. I show that...
A Tale of Two Indexes: Predicting Equity Market Downturns in China
Predicting stock market crashes is a focus of interest for both researchers and practitioners. Several prediction models have been developed, mostly...