Columbia subject headings:
Airlines--Government policy--United States.
Competition, Unfair.
Strategic alliances (Business)--Government policy--United States.
Harvard subject headings:
Airlines--Government policy--United States.
Competition, Unfair.
Strategic alliances (Business)--Government policy--United States.
Princeton subject headings:
Airlines--Government policy--United States.
Competition, Unfair.
Strategic alliances (Business)--Government policy--United States.