Demand refers to the quantity of goods or services that consumers are willing and able to purchase at a particular price and time. Understanding and analyzing demand is an essential aspect of market research and economics, as it can provide insights into consumer behavior, pricing strategies, and market trends. Demand research involves studying various factors that influence consumer preferences and purchasing decisions, such as income levels, prices of goods and services, consumer demographics, advertising and marketing efforts, and competitor actions. By analyzing demand, businesses can make informed decisions about pricing, production levels, inventory management, and marketing strategies to maximize profits and meet customer needs. Overall, demand research plays a crucial role in helping businesses identify opportunities in the market, anticipate changes in consumer behavior, and develop effective strategies to stay competitive and grow their business.