科斯怎样提出问题？(2) Of course,this fact has not been ignored by economists. Marshall:organization as a fourth factor of production; Clark:coordinating function to the entrepreneur; Knight:managers who co-ordinate Robertson:islands in ocean like butter in buttermilk. ● But in view of the fact that it is usually argued that co-ordination will be done by the price mechanism,why is such organization necessary? 66 科斯怎样提出问题？（2） Of course, this fact has not been ignored by economists. ⚫ Marshall: organization as a fourth factor of production; ⚫ Clark: coordinating function to the entrepreneur; ⚫ Knight: managers who co-ordinate ⚫ Robertson: islands in ocean like butter in buttermilk. But in view of the fact that it is usually argued that co-ordination will be done by the price mechanism,why is such organization necessary?