We present a new matrix-logarithm model of the realized covariance matrix of stock returns. The model uses latent factors which are functions of both lagged volatility and returns. The model has several advantages: it is parsimonious; it does not require imposing parameter restrictions; and, it...

This paper reconsiders the role of foreign investors in developed country equity markets. It presents a quantitative model of trading that is built around two new assumptions about investor sophistication: (i) both the foreign and domestic populations contain investors with superior information...

This paper uses proprietary data from a leading intermediary to understand the magnitude and determinants of transaction costs in the secondary market for private equity stakes. Most transactions occur at a discount to net asset value. Buyers average an annualized public market equivalent of...

We further the understanding of cross-sectional differences in trading activity. Specifically, we link a firm's visibility, as measured by advertising, to its stock turnover. First, we suggest three mechanisms (beyond simple awareness) capable of explaining how the repeated and consistent ads...