convertibility
noun
- ability of money to be transformed into other stores of value
Wiktionary
noun
- The quality of being convertible
- The quality of a currency of being exchangeable for gold or other currencies
“When it comes to Argentina, [Javier Milei's] model is the 1990s, when the convertibility plan established by President Carlos Menem pegged the peso to the dollar and completely ended hyperinflation.”