Please understand, we do not see a threefold increase in the money supply via the private banking system, here and now.

FORBES: Monetary Watch June 2011, Inflation prospects post QE II

Bosch reckons that for electric cars to become universally popular, a threefold increase in energy density and a fall of two-thirds in the price of batteries will be needed.

ECONOMIST: The electrification of motoring

The spokesman said Mr. Schultz's pay is tied to company performance and that his gains reflected a more than threefold increase in Starbucks's share price since he returned as CEO in 2008.

WSJ: As Tax Hikes Loomed, Some CEOs Sold Company Stock

But it also has 100 million elderly people - a figure that is expected to increase threefold by 2050.

BBC: UN warns over impact of rapidly ageing populations