3  Courtney N. Blackman (1999) Central Banking in Theory and Practice Caribbean Cent for Monetary Studies,St. Augistine, Trinidad. 4  In the Address, Friedman discussed the average level of prices; not the rate of price inflation.
The current interchange standards have been in effect for only 3½ years and submissions to the review did not point to strong arguments for major changes. The standards appear to be working well and frequent regulatory change can carry costs.