What Is Dollarization

What is dollarization?

A) a price reduction strategy where everything within a country is sold at a rounded dollar amount
B) the complete elimination of U.S. currency from a nation's economy
C) making the denominations of local currency identical to those in U.S. currency
D) the process by which a country in whole or in part adopts the U.S. dollar as its official currency
E) the practice of a country's using the U.S. banking system for its transactions