Monopolies 87 Trusts, Industrial 20 Competition 12 Economic conditions 9 Industrial policy 9 Restraint of trade 7 Antitrust law 6 History 5 Oligopolies 5 Competition, Unfair 4 Economic aspects 4 Industries 4 Mathematical models 4 Pricing 4 Capitalism 3 Economic policy 3 Government monopolies 3 Industrial concentration 3 Industrial organization 3 Prices 3 Public utilities 3 Big business 2 Cartels 2 Competition, Imperfect 2 Congresses 2 Consolidation and merger of corporations 2 Corporations 2 Economic development 2 Government policy 2 Industrial organization (Economic theory) 2