Consumer sovereignty is the ability of consumers to choose what they want to buy, and how much they want to spend on it. This concept is based on the idea that people are rational and will make decisions that are in their best interests.

In a free market, businesses must respond to the demands of consumers in order to stay afloat. If consumers demand products that are environmentally friendly, then businesses will produce them. If consumers demand lower prices, then businesses will find ways to cut costs. In this way, consumer sovereignty drives economic activity and can lead to advances in technology and increased efficiency.

However, consumer sovereignty also has its limits. People are not always rational, and they may make choices that are not in their best interests. For example, people may choose to buy products that are harmful to their health or the environment. In addition, consumer sovereignty does not always lead to efficient outcomes. For example, businesses may respond to consumer demands by producing too much of a good or by using environmentally-damaging production methods.

Overall, consumer sovereignty is a powerful force in the economy, but it is not without its flaws. It is important to consider both the benefits and the drawbacks of this concept before making any decisions.