Levine notes that, while the usual indicators of aging usually decline at a steady rate over many years, the decline in performance among elite athletics tends to happen much more dramatically in a shorter period of time.
Everyone is looking for the signs, but the usual indicators give little comfort.
For a long time, in fact, many of the usual indicators of investor anxiety were surprisingly tranquil.
Assuming that Mr. Obama is the nominee, he'll lead a party that, judging by the usual indicators, should be poised for an easy victory — perhaps even a landslide.
The writers' strike also meant that the awards season was short on the usual indicators, with much of the campaigning waged through the mail or in advertising.
As a result, the usual indicators of structural instability, such as anomalies in Born effective charges on the active ions, do not hold.
"All the usual indicators are dismal for Republicans," wrote George Will last week, concluding that "Nov. 4 could be their most disagreeable day since Nov. 3, 1964," when Barry Goldwater lost 44 states.
Japan, the only non-European nation included in the survey, is "substantially below par" in military spending as measured by the usual indicators, such as percentage of gross domestic product, the report says.
But while the report, released by the Highway Loss Data Institute, presents some self-evident truths, it also makes a strong case for looking beyond the usual indicators when researching the potential costs of owning a particular car.
One of the most usual indicators to estimate energy demand is the GDP growth rate.
