Alckmin's comments came days after the central bank's rate-setting committee, known as Copom, kept interest rates unchanged at 13.75% for the fifth consecutive policy meeting. The central bank's decision defied intense pressure from the new government of President Luiz Inacio Lula da Silva to reduce borrowing costs, with Lula having renewed criticism of the financial body
last week.
"We have to convince the central bank that it is not possible to have the highest interest rate in the world... It makes no sense at all," Alckmin said during an event.
Brazil holds the highest interest rate in real terms - which is adjusted for inflation - among the world's major economies, according to Infinity Asset's ranking.
(Reporting by Luana Maria Benedito; Editing by Isabel Woodford
and Cynthia Osterman)