Back to the Future:  Centrally Planned (or controlled??)  Economies.   Has technology now solved the structural defects of centrally planned economies.  A history of the production of Bra's is used to analyse the failure of Soviet economic planning.  But what about China? - is it centrally planned or centrally controlled as an economy.  Does it deliver better economic outcomes for the masses.  If so would the same technology not have made the USSR a sustainable model....so changing the course of history..