Of the various arguments employed to demonstrate the inevitability of planning, the one most frequently heard is that technological changes have made competition impossible in a constantly increasing number of fields and that the only choice left to us is between control of production by private monopolies and direction by the government. This belief derives mainly from the Marxist doctrine of the “concentration of industry,” although, like so many Marxist ideas, it is now found in many circles which have received it at third or fourth hand and do not know whence it derives.
