Variability measures how widely a set of values is distributed around their mean. Here's how to measure variability and how investors use it to choose assets.

Earnings before tax (EBT) is a company’s pretax income and is mainly used to compare the profitability of similar companies in different tax jurisdictions.

Reviews with more than one main comparison should include a separate ‘Summary of findings’ table for each comparison. Figure 14.1.a provides an example of a ‘Summary of findings’ table. Figure 15.1.b ...