BARRIERS TO PRODUCTIVITY
As we have gone through our list of developments which seemed to contribute to the increase of productivity, we have taken occasion, from time to time, to refer to their possible unfavorable aspects. This was done, it will be remembered, in the case of consumption changes and in some others. It seemed best, however, for the sake of clarity in presentation, to omit most of these drawbacks there, since, after all, we were then trying to account for an increase in productivity, rather than trying to understand why it has not been greater than it has. A natural reluctance to leave the matter at that, however, will be understood. This is not the best of all possible worlds; at least industry is not the best of all possible industries. And although we may justify an interest in considering its more favorable aspects, we have also, here, an admitted interest in industry's coming of age, an adulthood which can only be reached when childish traits are laid aside as outgrown. Our purpose would be defeated if we did not give more attention than we hitherto have to some aspects of our situation which are not so hopeful. This brief section has therefore been set aside for that use.
Some of these difficulties have already been mentioned; some others, though they are a matter of familiar knowledge, and are frequently discussed, have not. Such,