The difference in price is the repo rate.

FORBES: Kill Libor, Markets Need A New Benchmark

Yet, even after the central banks' announcement, dealers cited by TradeTheNews.com said that some interest rate spreads were still high, with the TED spread (which is price difference between three-month futures contracts for U.S. Treasuries and three-month contracts for Eurodollars) still above 30 basis points.

FORBES: Market Scan

The only difference is whether the price of the credit is expressed as a fraction of profits or as a predetermined interest rate.

FORBES: A Distant Mirror