Research Paper

Since specific risk is the only risk that can be reduced through diversification, it is crucial to obtain an accurate specific risk forecast.  Stock pickers target specific returns, and the active return on which they base their businesses primarily bears specific risk. Specific risk models are especially vulnerable to misforecasting during periods of rapidly changing risk. Are there specific risk models that can follow such large variations and produce forecasts that do not mislead?...

Research Paper

Since the collapse of the Internet bubble, many Japanese portfolio managers have observed a surprising contrast between trends in tracking error and market volatility: tracking errors have fallen dramatically for many portfolios, while the volatility of the TSE1 index has declined much more gradually.  The decrease in tracking error is related to a phenomenon occurring in markets around the globe.  The cross-sectional dispersion of asset returns within these markets is much smaller...

Research Paper

An accumulating body of empirical research has found positive gross excess returns from exposure to risk factors (or risk premia). Our study was commissioned by the Norwegian Ministry of Finance to explore factor strategies, through the lens of risk premia indices, for large funds. The paper examines equity risk premia, such as value, size, low volatility and momentum, focusing on return, risk, and investability. For portfolios of large scale, we construct risk premia indices which have...

Indexes

Research Paper

Indexes