Publications

We study the market for a risky asset with heterogeneous valuations. Agents seek to learn about their own valuation by acquiring private information...

Financial crisis can trigger policy reversals, i.e. they can lead to a process of reregulation of financial markets. Using a recent comprehensive...

We propose a new measure of private information in decentralised markets – connections – defined as the number of dealers with whom a client trades in...

We derive the optimal underwriting method and the quantitative IPO pricing rule that this method implies in a market with informational frictions...

We present a dynamic model featuring risk-averse investors with heterogeneous beliefs. Individual investors have stable beliefs and risk aversion, but...

Financial networks are an important source of systemic risk, but often only partial network information is available. In this paper, we use data on...

Financial networks are an important source of systemic risk, but often only partial network information is available. In this paper, we use data on...

We develop a new methodology to estimate the impact of a financial transaction tax (FTT) on informational efficiency, liquidity and volatility. In our...

Students around the world are going to school but are not learning – an emerging gap in human capital formation. To understand this gap, we introduce...

We study the efficiency, price formation and segmentation of cryptocurrency markets. We document large, recurrent arbitrage opportunities in...

Why do countries differ in terms of their exposure to fluctuations in the global supply of credit? We argue that frictions in global intermediation...

Cryptocurrencies promise to replace fiat money with private money whose integrity is underpinned by algorithms, not government guarantees. While the...

What determines the cross-section of betas with respect to a risk factor? The act of arbitrage plays an important role. If the capital of arbitrageurs...

Empirical evidence suggests that investor protection has significant effects on ownership concentration and asset prices. We develop a dynamic asset...

European banks have been criticized for holding excessive domestic government debt during economic downturns, which may have intensified the diabolic...

We model asset encumbrance by banks subject to rollover risk and study the consequences for fragility, funding costs, and prudential regulation. A...