: AGREEMENT AMONG BUSINESSES DESIGNED TO REDUCE COMPETITION, FIX PRICES, AND DIVIDE THE MARKET AMONG THEM. A CARTEL CONTROL PRODUCTION AND DISTRIBUTION. 23- OLIGOPOLY / MONOPOLY : ECONOMIC SITUATION IN WHICH ONLY A SINGLE SELLER OR PRODUCER SUPPLIES A GOOD OR SERVICE. NO COMPETITION. CONTROL OF THE MARKET / PRICES. 24-MERGER: