Public enterprise centrally planned economy in which all property is owned by the State and all key economic decisions are made centrally by the State, e.g. the former Soviet Union. Public enterprise state-managed market economy, one form of market socialism which attempts to use the price mechanism to increase economic efficiency, while all decisive productive assets remain in the ownership of the state, e.g. socialist market economy in China after reform. A mixed economy, also a capitalist economy where public and private ownership are mixed, and where industrial planning is ultimately subordinate to market allocation, the model generally adopted by social democrats e.g. in twentieth century Sweden.