He first introduced some elements of market economy, hoping to juxtapose planned economy and market economy.
Slovakia has mastered much of the difficult transition from a centrally planned economy to a modern market economy.
Vietnam's leaders are already discovering that it is hard to run a thriving market economy with the methods that suited a planned economy.
CUBA's leaders have often tantalised Westerners with promises of liberalisation, only to retreat back into the island's stagnant planned economy.