Here are entered general works on commodity exchanges. Works on exchanges dealing in a single commodity or class of commodities are entered under the specific commodity industry, e.g. Cotton trade; Grain trade; etc.
Here are entered works on combinations in restraint of trade in which independent business enterprises formally agree among themselves to control or limit output, prices, and/or markets so as to achieve monopolistic power. Works on combinations in which stock ownership is transferred to trustees, who in turn issue trust certificates and dividends and who attempt to achieve monopolistic control over output, prices, or markets, are entered under Trusts, Industrial.
Here are entered general works on commodity exchanges. Works on exchanges dealing in a single commodity or class of commodities are entered under the specific commodity industry, e.g. Cotton trade; Grain trade; etc.
Here are entered general works on the amount of money that must be paid for commodities or services. --subdivision Prices under products, objects, etc., and under types of industries where one general subject heading for the products of that industry is lacking, e.g. Concrete--Prices; Construction industry--Prices
