Kosygin, who had begun his premiership as Brezhnev's equal, lost much power and influence within the Presidium when he introduced the 1965–1971 Soviet economic reform.
Kosygin, yang memulai jabatan perdana menterinya setara Brezhnev, kehilangan banyak kekuatan dan pengaruh dalam Presidium tersebut saat ia memperkenalkan reformasi ekonomi Soviet 1965–1971.