In 1963 Ulbricht adapted Liberman's theories and introduced the New Economic System (NES), an economic reform program providing for some decentralization in decision-making and the consideration of market and performance criteria.
En 1963, Ulbricht adaptou as teorías de Liberman e introduciu o Novo Sistema Económico (NES), unha reforma económica que introduciu un grao de descentralización nas decisións e criterios de mercado.