Investopedia / Julie Bang Risk measures are statistical measures that are historical predictors of investment risk and volatility, and they are also major components in modern portfolio theory (MPT).

What is the goal of the new Statistical Performance Indicators (SPI)? The Statistical Performance Indicators measure the capacity and maturity of national statistical systems by assessing the use of ...

Defining volatility Market volatility is defined as a statistical measure of an asset's deviations from a set benchmark or its own average performance. In other words, an asset's volatility ...

Official income statistics tend to exclude the very highest ... free food and commuting expenses. Economists should measure inequality by reference to social income, which includes non-wage ...