This paper proposes a new way of modeling and forecasting intraday returns. We decompose the volatility of high frequency asset returns into components that may be easily interpreted and estimated. The conditional variance is expressed as a product of daily, diurnal and sto-chastic intraday...

Net exports and current account balances among developed countries,which contributed to the so called “global imbalances”, arehighly persistent. Despite success along many dimensions, internationalbusiness cycle models have difficulty replicating these salient,low-frequency features of...

Net exports and current account balances among developed countries,which contributed to the so called “global imbalances”, arehighly persistent. Despite success along many dimensions, internationalbusiness cycle models have difficulty replicating these salient,low-frequency features of...

We estimate the value added by sell-side equity research analysts and explore the links between analyst research, informational efficiency, and asset prices. We identify the value of research from exogenous changes in analyst coverage. On announcement that a stock has lost all coverage, share...

This study examines the relationship between investment performance and concentration inactive equity portfolios. Active management is dependent on the success of two importantcomponents in the investment process stock selection skill and portfolio management. Ourstudy documents a positive...

Abstract: The recent paper by Goetzmann et al. (2002) suggests that fund managers subject to a performance review have an adverse incentive to engage in portfolio strategies that have theunfortunate attribute that they can expose the fund investor to significant downside risk.(...)