The Great Risk/Return Inversion - Who Loses Out?
Risk and return go hand in hand as companion variables central to the teaching and practice of economics and finance. Standard theory and common sense...
Ballooning Finance
The Global Crisis has intensified debates over the merits of financial innovation and the optimal size of the financial sector. This column presents a...
Attracting investor attention through advertising
Review of Financial Studies, 27 (6). pp. 1797-1829.
Activist Funds, Leverage, and Procyclicality
We provide a theoretical framework to study blockholder activism by funds who compete for investor flow. In our model, activists are intrinsically...
The Fallibility of the Efficient Market Theory: a new paradigm
The efficient market theory has failed to explain the market behavior and asset pricing of recent years. A new model that incorporates the principal...
Ties that Bind: How business connections affect mutual fund activism
We investigate how business ties with portfolio firms influence mutual funds’ proxy voting using a comprehensive dataset spanning 2003 to 2011. In...
Liquidity Risk and the Dynamics of Arbitrage Capital
We develop a dynamic model of liquidity provision, in which hedgers can trade multiple risky assets with arbitrageurs. We compute the equilibrium in...
Dynamic equilibrium with two stocks, heterogeneous investors, and portfolio constraints
Review of Financial Studies, 26 (12). pp. 3104-3141.
Chasing trends is a dangerous game
Big investors currently pursue two very different strategies when appointing external managers. Their traditional approach is to hire fund managers...
Anticipated and repeated shocks in liquid markets
Review of Financial Studies, 26 (8). pp. 1891-1912.
Bond market clienteles, the yield curve, and the optimal maturity structure of government debt
Review of Financial Studies, 26 (8). pp. 1914-1961.
Trading frenzies and their impact on real investment
Journal of Financial Economics, 109 (2). pp. 566-582.
Momentum investing is bad for your wealth
Managers should focus on companies, not prices, says Paul Woolley.
Mortgage Hedging in Fixed Income Markets
We study the feedback from hedging mortgage portfolios on the level and volatility of interest rates. We incorporate the supply shocks resulting from...