Crude petroleum accounts for more than half of the value of the state's mineral extraction.
By 1997 sugar accounted for less than half of the value of exports.
Several years before, CBS wrote down nearly half of the value of its $1.06 billion baseball contract.
Company shares have recovered well over half of the value lost when they plunged after the spill.
Haircuts range widely but are typically between a third and a half of the value of debts.
Owners of confiscated property who held Polish citizenship at the end of 1999 will receive half of the value of their lost assets.
Mr. Slim's properties now account for more than half of the value of the companies in the main Mexican stock index.
Half of the value of the Russian market has vanished since May on declining oil prices and the violence in Georgia.
By 2015, a typical worker will keep only half of the value created by employment, compared with 60 percent kept before the recession.
It also wrote off about half of the value of Omgpop, the games start-up it bought for $183 million in March.
Energy companies account for half of the value of the Russian stockmarket, and a single, state-backed firm, Gazprom, produces 10% of the country's exports.
