Answer:
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There must always be people willing to bear the risk of new business undertakings in addition to simple risk bearing, however it is necessary to have people who will control and co-ordinate the various factor of production such people could device the nature, the quantity, the quality and the distribution of new products as well as becoming the risk of success of failure.
The sentence that suggest that doctors, like lawyers are part of superficial middle-class world of nineteenth century Rusia is:
The doctor put on just the same air towards him as he himself put on towards an accused person.