The Soviet Union therefore recommended that East Germany implement the reforms of Soviet economist Evsei Liberman , an advocate of the principle of profitability and other market principles for communist economies .
The annual industrial growth rate declined steadily after 1959 .
The Soviet Union recommended that East Germany implement the reforms of Soviet economist Evsei Liberman , an advocate of the principle of profitability and other market principles for communist economies .
The annual industrial growth rate declined steadily after 1959 .