Central banks still have more firepower they can use to counter a slowdown in global growth, which does not change the outlook for recovery in the euro zone, European Economics Commissioner Pierre Moscovici said on Wednesday.

Nearly half of those questioned also expect an artificial intelligence machine to be sitting on a corporate board of directors within the next decade.

The perception about global banks remains low and was "worse" last year than what was seen after the 2008 financial meltdown, says a report.