Columbia subject headings:
Equilibrium (Economics)
Lobbying--Economic aspects--United States--Mathematical models.
Pressure groups--United States--Mathematical models.
Protectionism--United States--Mathematical models.
Tariff--United States--Mathematical models.
United States--Commercial policy--Mathematical models.
Harvard subject headings:
Equilibrium (Economics)
Lobbying--Economic aspects--United States--Mathematical models.
Pressure groups--United States--Mathematical models.
Protectionism--United States--Mathematical models.
Tariff--United States--Mathematical models.
United States--Commercial policy--Mathematical models.
Princeton subject headings:
Equilibrium (Economics)
Lobbying--Economic aspects--United States--Mathematical models.
Pressure groups--United States--Mathematical models.
Protectionism--United States--Mathematical models.
Tariff--United States--Mathematical models.
United States--Commercial policy--Mathematical models.