But some Western experts say the Yeltsin Government's new figures may actually underestimate the shadow economy, and thus the gross domestic product.

In areas where there were mass executions, the Bryce Report actually underestimates the killing.

However, each case involves at least two individuals, so this error rate actually underestimates the percentage of patients potentially affected by incidents of biopsy misidentification.

This may lead to an optimistic result, meaning that the analysis may actually underestimate the true worst case.

I think people actually underestimate the value of some of these items.

Still, experts believe that many who think they suffer from chronic constipation may actually underestimate the frequency of their bowel habits, so this definition may not be accurate.

Now, a new study using the fund's own unpublished data suggests that the critique may have actually underestimated the fund's commandeering approach.

They actually underestimate income mobility by excluding the most mobile population from their studies: those under age 25.

Those figures may actually underestimate Lipitor's importance to Pfizer.

Additionally, it is possible that the official figures actually underestimate the actual ship-strike mortality rates, since whales struck in offshore areas may never be sighted due to low search effort.