Price fixers are individuals or groups of people who manipulate the prices of goods and services. A CARTEL is a group of businesses or organizations that collude to limit competition and control prices. Tagging is the practice of setting prices for goods and services in order to maximize profits. Gouging is the practice of charging excessively high prices for goods and services, often during times of crisis or shortage. All of these activities are illegal and can lead to fines and other penalties.