In this paper, we propose a new risk model to better address events like the recent credit crisis. First, the possible start of a crisis is modeled by including a low-probability jump process. Second, the risk characteristics of the crisis are captured by allowing for time-varying volatilities...

In this paper we introduce a methodology to estimate the portfolio IRR from portfolio constituents, when only the IRR and the money multiples of the constituents are available. We call this methodology RATZ IRR (reconstructed average time zero internal rate of return). There will be a deviation...

We identify two types of risk premia in commodity futures returns: spot premia related to the risk in the underlying commodity, and term premia related to changes in the basis. Sorting on forecasting variables such as the futures basis, return momentum, volatility, inflation, hedging pressure,...

We analyze a global equity return model driven by mutually exciting jump-diffusions with asymmetric excitation to account for the fact that crashes in the US get reflected quickly in other economies but much less the other way round. We solve in closed-form the associated portfolio optimization...

We study the impact of human capital on life-cycle portfolio choice using Dutch data. A distinction is made between the riskless view of human capital as having bond-like characteristics, and the risky conception of future wage income having stock-like properties. As in Benzoni, Collin-Dufresne,...