The field survey identified three relatively
typical groups of companies for which
speculative inventories represent a more or less
important part of the complete stock of goods in
their warehouses: companies whose speculative
inventories account for more than 40 per cent of
the complete stock; companies whose speculative
inventories account for 20-40 per cent of the
complete stock; and companies whose speculative
inventories account for less than 20 per cent
of the complete stock.