• accounting policies. Increased (reduced) uniformity in accounting policies among firms is
taken to be evidence of increased (reduced) comparability;
• the similarity of correlations between earnings or accruals and cash flows. Increased
(reduced) similarity in the correlations between earnings or accruals and cash flows for
different firms is taken to be evidence of increased (reduced) comparability; or
• the dispersion of accounting measures. Reduced (increased) dispersion of accounting
measures for a population of firms is taken to be evidence of increased (reduced)
comparability.