Of course it isn't. Supply is the obverse of demand. He and Cox are clearly well matched in their general ignorance and economic illiteracy. Ota Sik's warning to Dubcek that you defy the market at your peril has no meaning for this pair. The worrying thing is that Cox' and Tanner's economic idiocy is being taken seriously by some members of the Labour Party.
Mutual admiration is no substitute for action.