He contributed to the transition process of the Czechoslovak koruna to a currency with internal and later external convertibility (3 devaluations of koruna at the beginning of the 1990s), as well as during the separation of currencies after the break-up of the federation and the subsequent creation of Slovak koruna.
Zaslúžil sa o proces premeny koruny československej na menu s vnútornou a neskôr aj vonkajšou vymeniteľnosťou (3 devalvácie Kčš začiatkom 90. rokov), ako aj pri oddeľovaní mien po rozpade federácie a neskoršom vzniku Slovenskej koruny.