1.   Because the fixed rate is not pegged to anything, Treasury officials set it at a level that reflects the current economic activity and the interest rate climate.

2.   By comparison, brokerages peg their rates closely to Treasury securities so their CDs shift faster in response to interest-rate movements.

3.   Since most other rates are pegged to the treasury note, Mexicans overnight faced immediate double-digit increases on their loans.

4.   Typically, adjustable rates are pegged to the one-year US Treasury bill.