"Chasing Bunny, " replied Jacinth, her eyes clearing as life reverted to a more normal situation.

NPR: Excerpt: 'Sabriel'

When demand exceeds supply in a normal market, the price rises until it reaches a market-clearing level.

WSJ: John C. Goodman: Why the Doctor Can't See You

But anything spent on the card will be charged at the customer's normal rate, and any money paid towards the bill will go to clearing the transferred balance first.

BBC: NEWS | Programmes | Moneybox | Barclaycard promises credit card clarity