Columbia subject headings:
Communication policy--Periodicals.
Communication--Economic aspects--Periodicals.
Mass media policy--Periodicals.
Mass media--Economic aspects--Periodicals.
Telecommunication policy--Periodicals.
Telecommunication--Economic aspects--Periodicals.
Harvard subject headings:
Princeton subject headings:
Information theory in economics--Periodicals.
Management information systems--Periodicals.
Managerial economics--Periodicals.
Periodicals.