What is capitalism?
… It is widely assumed that capitalism means a free market economy. But it is possible to have capitalism without a free market. The systems that existed in the U.S.S.R and exist in China and Cuba demonstrate this. These class-divided societies are widely called 'socialist'. A cursory glance at what in fact existed there reveals that these countries were simply 'state capitalist'. In supposedly 'socialist' Russia, for example, there still existed wage slavery, commodity production, buying, selling and exchange, with production only taking place when it was viable to do so. 'Socialist' Russia continued to trade according to the dictates of international capital and, like every other capitalist, state, was prepared to go to war to defend its economic interests. The role of the Soviet state became simply to act as the functionary of capital in the exploitation of wage labour, setting targets for production and largely controlling what could or could not be produced… – World Socialist Movement, "What is capitalism?" – http://www.worldsocialism.org/articles/what_is_capitalism.php